TY - JOUR AU - N. G. Topiler TI - Behavior of the solution of the Cauchy problem for the equation $u_{xx}-q(x)u_{tt}=0$ for large time values~$t$ JO - Differencialʹnye uravneniâ PY - 1983 SP - 347 EP - 353 VL - 19 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1983_19_2_a14/ LA - ru ID - DE_1983_19_2_a14 ER -