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@article{PIM_1986_N_S_40_54_a1, author = {Ivan Gutman and Zhang Fuji}, title = {On a {Quasiordering} of {Bipartite} {Graphs}}, journal = {Publications de l'Institut Math\'ematique}, pages = {11 }, publisher = {mathdoc}, volume = {_N_S_40}, number = {54}, year = {1986}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PIM_1986_N_S_40_54_a1/} }
Ivan Gutman; Zhang Fuji. On a Quasiordering of Bipartite Graphs. Publications de l'Institut Mathématique, _N_S_40 (1986) no. 54, p. 11 . http://geodesic.mathdoc.fr/item/PIM_1986_N_S_40_54_a1/