Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{DM_1990_2_3_a19, title = {V.~B.~Kudryavtsev, {A.~S.~Podkolzin,} {A.~A.~Bolotov}}, journal = {Diskretnaya Matematika}, pages = {159}, publisher = {mathdoc}, volume = {2}, number = {3}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DM_1990_2_3_a19/} }
V.~B.~Kudryavtsev, A.~S.~Podkolzin, A.~A.~Bolotov. Diskretnaya Matematika, Tome 2 (1990) no. 3. http://geodesic.mathdoc.fr/item/DM_1990_2_3_a19/