%0 Journal Article %A A. A. Spektor %T Variational methods of investigating certain classes of three-dimensional problems of contact between elastic bodies in the presence of friction %J Doklady Akademii Nauk %D 1982 %P 592-596 %V 265 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1982_265_3_a20/ %G ru %F DAN_1982_265_3_a20