TY - JOUR AU - A. F. Andreev TI - On the limit behavior of $O$-curves of a quasihomogeneous $\mathbf R^3$-system JO - Differencialʹnye uravneniâ PY - 1993 SP - 1475 EP - 1480 VL - 29 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1993_29_9_a0/ LA - ru ID - DE_1993_29_9_a0 ER -