%0 Journal Article %A Feireisl, Eduard %T On the existence of periodic solutions of a semilinear wave equation with a superlinear forcing term %J Czechoslovak Mathematical Journal %D 1988 %P 78-87 %V 38 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1988.102202/ %R 10.21136/CMJ.1988.102202 %G en %F 10_21136_CMJ_1988_102202