TY - JOUR AU - Ya. V. Bykov AU - N. I. Fomina TI - The singular solutions of nonlinear differential equations.~II JO - Differencialʹnye uravneniâ PY - 1976 SP - 1161 EP - 1173 VL - 12 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1976_12_7_a2/ LA - ru ID - DE_1976_12_7_a2 ER -