TY - JOUR AU - K. V. Zadiraka TI - On the integral manifold of a system of differential equations containing a small parameter JO - Doklady Akademii Nauk PY - 1957 SP - 646 EP - 649 VL - 115 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1957_115_4_a2/ LA - ru ID - DAN_1957_115_4_a2 ER -