@article{1103039700, author = {Harary, Frank}, title = {On the number of bi-colored graphs.}, journal = {Pacific J. Math.}, volume = {8}, number = {4}, year = {1958}, pages = { 743-755}, language = {en}, url = {http://dml.mathdoc.fr/item/1103039700} }
Harary, Frank. On the number of bi-colored graphs.. Pacific J. Math., Tome 8 (1958) no. 4, pp. 743-755. http://gdmltest.u-ga.fr/item/1103039700/