TY - JOUR AU - Ya. M. Kotlyar TI - The equivalent equation method for solving nonlinear problems JO - Doklady Akademii Nauk PY - 1988 SP - 21 EP - 24 VL - 303 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1988_303_1_a2/ LA - ru ID - DAN_1988_303_1_a2 ER -