Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1982__32_4_a6, author = {Zelinka, Bohdan}, title = {Homomorphisms of finite bipartite graphs onto complete bipartite graphs}, journal = {Mathematica slovaca}, pages = {361--366}, publisher = {mathdoc}, volume = {32}, number = {4}, year = {1982}, mrnumber = {676572}, zbl = {0504.05056}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1982__32_4_a6/} }
Zelinka, Bohdan. Homomorphisms of finite bipartite graphs onto complete bipartite graphs. Mathematica slovaca, Tome 32 (1982) no. 4, pp. 361-366. http://geodesic.mathdoc.fr/item/MASLO_1982__32_4_a6/