%0 Journal Article %A Draessler, Jan %T The nonlinear periodic second order boundary value problem %J Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica %D 2000 %P 51-66 %V 39 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AUPO_2000__39_1_a3/ %G en %F AUPO_2000__39_1_a3