TY - JOUR AU - R. R. Akhmerov AU - V. A. Novikov TI - Investigation of solutions of a differential equation not solved for the leading derivative JO - Doklady Akademii Nauk PY - 1982 SP - 11 EP - 13 VL - 264 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1982_264_1_a0/ LA - ru ID - DAN_1982_264_1_a0 ER -