TY  - JOUR
AU  - M. I. Kokotov
TI  - Almost-periodicity of solutions of the equation $\partial^2u/\partial t^2=\Delta u-q(x)u+f(x,t)$
JO  - Doklady Akademii Nauk
PY  - 1971
SP  - 1014
EP  - 1017
VL  - 197
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1971_197_5_a6/
LA  - ru
ID  - DAN_1971_197_5_a6
ER  -