TY - JOUR AU - B. I. Sokil AU - A. F. Barvinsky TI - The asymptotic method and periodic Ateb functions in the investigation of some nonlinear wave equations JO - Differencialʹnye uravneniâ PY - 1982 SP - 718 EP - 721 VL - 18 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1982_18_4_a26/ LA - ru ID - DE_1982_18_4_a26 ER -