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@article{DE_2004_40_8_a7, author = {L. A. Cherkas and I. L. Shevtsov}, title = {Normal-Size {Limit} {Cycles} of {Quadratic} {Systems} with a {Structurally} {Unstable} {Focus}}, journal = {Differencialʹnye uravneni\^a}, pages = {1076--1084}, publisher = {mathdoc}, volume = {40}, number = {8}, year = {2004}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_2004_40_8_a7/} }
TY - JOUR AU - L. A. Cherkas AU - I. L. Shevtsov TI - Normal-Size Limit Cycles of Quadratic Systems with a Structurally Unstable Focus JO - Differencialʹnye uravneniâ PY - 2004 SP - 1076 EP - 1084 VL - 40 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2004_40_8_a7/ LA - ru ID - DE_2004_40_8_a7 ER -
L. A. Cherkas; I. L. Shevtsov. Normal-Size Limit Cycles of Quadratic Systems with a Structurally Unstable Focus. Differencialʹnye uravneniâ, Tome 40 (2004) no. 8, pp. 1076-1084. http://geodesic.mathdoc.fr/item/DE_2004_40_8_a7/