@article{fiedler1975pen, author = {Fiedler, M.}, interhash = {adbb1ba61d363865e2820fedd492a0b1}, intrahash = {225afe6fe72eeacb777f7dab77488bb7}, journal = {Czechoslovak Mathematical Journal}, number = 100, pages = {619--633}, title = {{A property of eigenvectors of nonnegative symmetric matrices and its application to graph theory}}, volume = 25, year = 1975 }