TY  - JOUR
AU  - V. M. Darevskii
TI  - Representation of functions of two variables by means of differentiable trigonometric series for the solution of partial differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1971
SP  - 486
EP  - 500
VL  - 7
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1971_7_3_a11/
LA  - ru
ID  - DE_1971_7_3_a11
ER  -