%0 Journal Article %A Klimperová, Nina %T Periodic solutions to the inhomogeneous sine-Gordon equation %J Commentationes Mathematicae Universitatis Carolinae %D 1979 %P 329-333 %V 20 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1979__20_2_a10/ %G en %F CMUC_1979__20_2_a10