%0 Journal Article %A Kopáčková, Marie %T On periodic solution of a nonlinear beam equation %J Applications of Mathematics %D 1983 %P 108-115 %V 28 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/AM.1983.104011/ %R 10.21136/AM.1983.104011 %G en %F 10_21136_AM_1983_104011