TY  - JOUR
AU  - Vlček, Vladimír
TI  - Note on existence of periodic solutions to the third-order nonlinear differential equation
JO  - Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
PY  - 1990
SP  - 165
EP  - 195
VL  - 29
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AUPO_1990__29_1_a10/
LA  - en
ID  - AUPO_1990__29_1_a10
ER  -