%0 Journal Article %A A. P. Oskolkov %T The penalty method for the equations of viscoelastic media %J Zapiski Nauchnykh Seminarov POMI %D 1995 %P 267-278 %V 224 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1995_224_a20/ %G en %F ZNSL_1995_224_a20