TY - JOUR AU - L. B. Cvik TI - The principle of alternating continuity in solving by parts the problems of field theory JO - Doklady Akademii Nauk PY - 1978 SP - 74 EP - 77 VL - 243 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1978_243_1_a17/ LA - ru ID - DAN_1978_243_1_a17 ER -