TY - JOUR AU - A. N. Vityuk TI - A generalized Cauchy problem for a system of differential equations not solved with respect to the derivatives JO - Differencialʹnye uravneniâ PY - 1971 SP - 1575 EP - 1580 VL - 7 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1971_7_9_a3/ LA - ru ID - DE_1971_7_9_a3 ER -