@article{kim78,
  author = {Kim, Ki Hang and Roush, Fred W.},
  interhash = {a34d8099729a3e22f722cd308cbfe4af},
  intrahash = {69b3fdd33a53f4f32dd5d04d99e5b576},
  journal = {Linear Algebra and its Applications},
  pages = {247-262},
  title = {Inverses of Boolean matrices},
  volume = 22,
  year = 1978
}