@article{PIM2_1986__40(54)_257736, author = {Gutman, Ivan and Fuji, Zhang}, title = {On a quasiordering of bipartite graphs.}, journal = {Publications de l 'Institut Math\'ematique. Nouvelle S\'erie}, pages = {11}, publisher = {mathdoc}, volume = {40(54)}, year = {1986}, zbl = {0623.05050}, language = {en}, url = {https://geodesic-test.mathdoc.fr/item/PIM2_1986__40(54)_257736/} }