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@article{DE_1993_29_10_a1, author = {N. I. Vulpe and I. V. Nikolaev}, title = {Topological classification of a quadratic system with a four-fold singular point}, journal = {Differencialʹnye uravneni\^a}, pages = {1669--1674}, publisher = {mathdoc}, volume = {29}, number = {10}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1993_29_10_a1/} }
TY - JOUR AU - N. I. Vulpe AU - I. V. Nikolaev TI - Topological classification of a quadratic system with a four-fold singular point JO - Differencialʹnye uravneniâ PY - 1993 SP - 1669 EP - 1674 VL - 29 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1993_29_10_a1/ LA - ru ID - DE_1993_29_10_a1 ER -
N. I. Vulpe; I. V. Nikolaev. Topological classification of a quadratic system with a four-fold singular point. Differencialʹnye uravneniâ, Tome 29 (1993) no. 10, pp. 1669-1674. http://geodesic.mathdoc.fr/item/DE_1993_29_10_a1/