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@article{DE_1995_31_1_a28, author = {D. S. Ushkho}, title = {On the coexistence of limit cycles and singular points of ``center'' type of cubic differential systems}, journal = {Differencialʹnye uravneni\^a}, pages = {173--174}, publisher = {mathdoc}, volume = {31}, number = {1}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1995_31_1_a28/} }
TY - JOUR AU - D. S. Ushkho TI - On the coexistence of limit cycles and singular points of ``center'' type of cubic differential systems JO - Differencialʹnye uravneniâ PY - 1995 SP - 173 EP - 174 VL - 31 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1995_31_1_a28/ LA - ru ID - DE_1995_31_1_a28 ER -
D. S. Ushkho. On the coexistence of limit cycles and singular points of ``center'' type of cubic differential systems. Differencialʹnye uravneniâ, Tome 31 (1995) no. 1, pp. 173-174. http://geodesic.mathdoc.fr/item/DE_1995_31_1_a28/