%0 Journal Article %A Drábek, Pavel %A Lupo, Daniela %T On generalized periodic solutions of some nonlinear telegraph and beam equations %J Czechoslovak Mathematical Journal %D 1986 %P 434-449 %V 36 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1986.102104/ %R 10.21136/CMJ.1986.102104 %G en %F 10_21136_CMJ_1986_102104