%0 Journal Article %A Jarušek, Jiří %T Contact problems with given time-dependent friction force in linear viscoelasticity %J Commentationes Mathematicae Universitatis Carolinae %D 1990 %P 257-262 %V 31 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1990__31_2_a7/ %G en %F CMUC_1990__31_2_a7