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@article{DAN_1962_143_6_a6, author = {A. A. Zykov}, title = {Cyclomatic and distribution properties of multigraphs}, journal = {Doklady Akademii Nauk}, pages = {1264--1267}, publisher = {mathdoc}, volume = {143}, number = {6}, year = {1962}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1962_143_6_a6/} }
A. A. Zykov. Cyclomatic and distribution properties of multigraphs. Doklady Akademii Nauk, Tome 143 (1962) no. 6, pp. 1264-1267. http://geodesic.mathdoc.fr/item/DAN_1962_143_6_a6/