Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DM_1990_2_4_a10, author = {V. B. Alekseev and V. P. Korzhik}, title = {Embeddings of graphs in a~surface and the theory of flow graphs}, journal = {Diskretnaya Matematika}, pages = {97--115}, publisher = {mathdoc}, volume = {2}, number = {4}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DM_1990_2_4_a10/} }
V. B. Alekseev; V. P. Korzhik. Embeddings of graphs in a~surface and the theory of flow graphs. Diskretnaya Matematika, Tome 2 (1990) no. 4, pp. 97-115. http://geodesic.mathdoc.fr/item/DM_1990_2_4_a10/