@mastersthesis{jaeschke2005struktur,
  author = {Jäschke, Robert},
  interhash = {e15113f443dfe1054256c34bd365a4ad},
  intrahash = {3cbe3059391ae0f543c448701949ddbc},
  school = {Technische Universität Dresden},
  title = {Die Struktur der Monoide binärer Relationen auf endlichen Mengen},
  type = {Diplomarbeit},
  url = {http://www.kde.cs.uni-kassel.de/pub/pdf/jaeschke2005struktur.pdf},
  year = 2005
}

@article{yang69,
  author = {Yang, Jaw-Ching},
  interhash = {3091b16dcb62c8a3e7cbe0e7505d7331},
  intrahash = {0ba5eb63a0676e360e42c305a9297c4a},
  journal = {Proceedings of the American Mathematical Society},
  pages = {134-135},
  title = {A theorem on the semigroup of binary relations},
  volume = 22,
  year = 1969
}

@article{zaretski63,
  author = {Zarecki, K. A.},
  interhash = {430f0d7da2f2497b1e17285ea9540ae4},
  intrahash = {89cada18428af1a3bba8a6e4efd8be16},
  journal = {Matematiceskij Sbornik},
  note = {(russisch)},
  pages = {291-305},
  title = {Die {H}albgruppe der binären {R}elationen},
  volume = 61,
  year = 1963
}

@article{schein76,
  author = {Schein, Boris M.},
  interhash = {f569baaa08e9eab441e3786c088193dd},
  intrahash = {6790c6e1d10a6b12b5556342a9681413},
  journal = {Semigroup Forum},
  pages = {95-102},
  title = {Regular elements of the semigroup of all binary relations},
  volume = 13,
  year = 1976
}

@article{schein70,
  author = {Plemmons, R. J. and Schein, B. M.},
  interhash = {341ee2f65ff1940a18d395f2cf5eadd4},
  intrahash = {100395cf400ac7fa3109ce84ae9bcdb8},
  journal = {Semigroup Forum},
  pages = {267-271},
  title = {Groups of Binary Relations},
  volume = 1,
  year = 1970
}

@article{plemmons70,
  author = {Plemmons, R. J. and West, M. T.},
  interhash = {307a57a63944ca1e3db479bc0ebc1799},
  intrahash = {253e1239891456fa4c67c07b95e62ed3},
  journal = {Pacific Journal of Mathematics},
  number = 3,
  pages = {743-753},
  title = {On the semigroup of binary relations},
  volume = 35,
  year = 1970
}

@article{montague69,
  author = {Montague, J. S. and Plemmons, R. J.},
  interhash = {5c420ea16daeb1d8ac737a77bed3a51a},
  intrahash = {74a0526ce6e2a4fe8e2f0d17dc7caf5d},
  journal = {Journal of Algebra},
  pages = {575-587},
  title = {Maximal Subgroups of the Semigroup of Relations},
  volume = 13,
  year = 1969
}

@article{markowsky77,
  author = {Markowsky, George},
  interhash = {8492e269df9fd1cc3eb81c39154aecca},
  intrahash = {5150c38951d8b2512727c201197e6cdf},
  journal = {Semigroup Forum},
  pages = {253-259},
  title = {Bounds on the index and period of a binary relation on a finite set},
  volume = 13,
  year = 1977
}

@article{konieczny94,
  author = {Konieczny, Janusz},
  interhash = {2f0fc12a47ba98a11a2746376b118e48},
  intrahash = {133de67269c9bfa71bde2b7615f0c1b3},
  journal = {Semigroup Forum},
  pages = {235-252},
  title = {Green's Equivalences in Finite Semigroups of Binary Relations},
  volume = 48,
  year = 1994
}

@article{konieczny05,
  author = {Konieczny, Janusz},
  interhash = {b45742ab9ef8aa1421d9fd02db40dfa7},
  intrahash = {4092862e96f165222ba8beef4a6d461f},
  note = {to be published},
  title = {A Proof of {D}evadze's Theorem on Generators of the Semigroup of Boolean Matrices},
  year = 2005
}

@article{konieczny02,
  author = {Konieczny, Janusz},
  interhash = {68bc453b63e41a469f5c566e241986e0},
  intrahash = {78b8c939590dc5d30f4016126c693a46},
  journal = {Southeast Asian Bulletin of Mathematics},
  pages = {627-641},
  title = {The Semigroup Generated by Regular Boolean Matrices},
  volume = 25,
  year = 2002
}

@phdthesis{konieczny92,
  address = {University Park, PA},
  author = {Konieczny, Janusz},
  interhash = {60bdd44499692bb4fd980a3c056ca9a4},
  intrahash = {5b9baadb9546877d03df5fa7751433d3},
  school = {The Pennsylvania State University},
  title = {Semigroups of binary Relations},
  year = 1992
}

@article{devadze68-2,
  author = {Devadze, H. M.},
  interhash = {0b7e4d5d50bceba261c1143ee27c2b8f},
  intrahash = {ca97abe7105f15d09ab9983c54986538},
  journal = {Ucenye zapiski / Leningradskij Gosudarstvennyj Pedagogiceskij Institut Imeni A. I. Gercena},
  note = {(russisch)},
  pages = {92-100},
  title = {Erzeugende {M}engen bestimmter Unterhalbgruppen der {H}albgruppe aller binären {R}elationen auf einer endlichen {M}enge},
  volume = 387,
  year = 1968
}

@article{devadze68,
  author = {Devadze, H. M.},
  interhash = {ceae40797dbc8d58aea5d23f9a58af03},
  intrahash = {059e8c6458166d878c19dda553f2c6bc},
  journal = {Doklady Akademii Nauk BSSR},
  note = {(russisch)},
  number = 9,
  pages = {765-768},
  title = {Erzeugende {M}engen der {H}albgruppe aller binären {R}elationen auf einer endlichen {M}enge},
  volume = 12,
  year = 1968
}

@techreport{seminar,
  author = {Kriegel, Daniela and Hahn, Andreas and J{"a}schke, Robert},
  institution = {Technische Universit{"a}t Dresden},
  interhash = {ac48c0162b80b3afff5d099eea508961},
  intrahash = {101efca8c9368b56d680ce92329784e5},
  title = {Halbgruppen bin{"a}rer {R}elationen auf einer {$3$}-elementigen {M}enge},
  type = {Seminararbeit},
  year = 2004
}