TY - JOUR AU - M. B. Meshcherskaya TI - Qualitative picture of a special system of two equations JO - Differencialʹnye uravneniâ PY - 1983 SP - 714 EP - 716 VL - 19 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1983_19_4_a27/ LA - ru ID - DE_1983_19_4_a27 ER -