TY  - JOUR
AU  - S. A. Laptev
TI  - On~the behaviour for large values of the time of the solution of the Cauchy problem for the equation $\frac{\partial^2u}{\partial t^2}-\frac{\partial^2u}{\partial x^2}+\alpha(x)u=0$
JO  - Sbornik. Mathematics
PY  - 1975
SP  - 403
EP  - 426
VL  - 26
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1975_26_3_a6/
LA  - en
ID  - SM_1975_26_3_a6
ER  -