TY  - JOUR
AU  - L. Ya. Pyanzina
TI  - Approximation of the solutions of boundary-value problems for parabolic and hyperbolic equations by solutions of the Cauchy problem
JO  - Doklady Akademii Nauk
PY  - 1964
SP  - 1276
EP  - 1279
VL  - 154
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1964_154_6_a8/
LA  - ru
ID  - DAN_1964_154_6_a8
ER  -