TY  - JOUR
AU  - Rachůnková, Irena
TI  - Periodic boundary value problems for second order differential equations
JO  - Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
PY  - 1990
SP  - 83
EP  - 91
VL  - 29
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AUPO_1990__29_1_a6/
LA  - en
ID  - AUPO_1990__29_1_a6
ER  -