TY  - JOUR
AU  - Pulkina,  L.S.
TI  - A non-local problem with integral conditions for hyperbolic equations
JO  - Electronic journal of differential equations
PY  - 1999
VL  - 1999
UR  - http://geodesic.mathdoc.fr/item/EJDE_1999__1999__a41/
LA  - en
ID  - EJDE_1999__1999__a41
ER  -