TY - JOUR AU - S. G. Kondratenya AU - I. N. Klimashevskaya AU - T. I. Shilo TI - Existence and construction of polar solutions of an autonomous system of two differential equations JO - Differencialʹnye uravneniâ PY - 1988 SP - 2170 EP - 2172 VL - 24 IS - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1988_24_12_a23/ LA - ru ID - DE_1988_24_12_a23 ER -