TY  - JOUR
AU  - Kiguradze, Tariel
TI  - On periodic in the plane solutions of second order linear hyperbolic systems
JO  - Archivum mathematicum
PY  - 1997
SP  - 253
EP  - 272
VL  - 33
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ARM_1997__33_4_a0/
LA  - en
ID  - ARM_1997__33_4_a0
ER  -