%0 Journal Article %A Lovicarová, Hana %T Periodic solutions of a weakly nonlinear wave equation in one dimension %J Czechoslovak Mathematical Journal %D 1969 %P 324-342 %V 19 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1969.100899/ %R 10.21136/CMJ.1969.100899 %G en %F 10_21136_CMJ_1969_100899