%0 Journal Article %A É. I. Gol'dengershel' %T Principle of limit modulus for the first boundary problem of linear viscoelasticity %J Doklady Akademii Nauk %D 1975 %P 544-547 %V 220 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1975_220_3_a10/ %G ru %F DAN_1975_220_3_a10