TY - JOUR AU - G. A. Sviridyuk TI - A singular system of ordinary differential equations JO - Differencialʹnye uravneniâ PY - 1987 SP - 1637 EP - 1639 VL - 23 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1987_23_9_a24/ LA - ru ID - DE_1987_23_9_a24 ER -