TY  - JOUR
AU  - Staněk, Svatoslav
TI  - Periodic solutions of nonlinear second-order differential equations with parameter
JO  - Mathematica Bohemica
PY  - 1992
SP  - 337
EP  - 348
VL  - 117
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/MB.1992.126060/
DO  - 10.21136/MB.1992.126060
LA  - en
ID  - 10_21136_MB_1992_126060
ER  -