TY - JOUR AU - È. M. Aksen' TI - The quasi-inversion method for some hyperbolic equations JO - Differencialʹnye uravneniâ PY - 1991 SP - 1089 EP - 1092 VL - 27 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1991_27_6_a28/ LA - ru ID - DE_1991_27_6_a28 ER -