TY  - JOUR
AU  - Herrmann, Leopold
AU  - Štědrý, Milan
TI  - Periodic solutions of weakly nonlinear wave equations in unbounded intervals
JO  - Czechoslovak Mathematical Journal
PY  - 1978
SP  - 343
EP  - 355
VL  - 28
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1978.101539/
DO  - 10.21136/CMJ.1978.101539
LA  - en
ID  - 10_21136_CMJ_1978_101539
ER  -