%0 Journal Article %A Pešl, Jiří %T Periodic solutions of a weakly nonlinear wave equation in one dimension %J Časopis pro pěstování matematiky %D 1973 %P 333-356 %V 098 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CPM.1973.117812/ %R 10.21136/CPM.1973.117812 %G en %F 10_21136_CPM_1973_117812