TY  - JOUR
AU  - V. A. Chernyatin
TI  - Refinement of the theorem on the existence of a classical solution of the mixed problem for a one-dimensional wave equation
JO  - Differencialʹnye uravneniâ
PY  - 1985
SP  - 1569
EP  - 1576
VL  - 21
IS  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1985_21_9_a12/
LA  - ru
ID  - DE_1985_21_9_a12
ER  -