TY - JOUR AU - L. A. Rukhovets TI - A remark on the method of fictitious regions JO - Differencialʹnye uravneniâ PY - 1967 SP - 698 EP - 701 VL - 3 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1967_3_4_a12/ LA - ru ID - DE_1967_3_4_a12 ER -