%0 Journal Article %A V. N. Maslennikova %T The rate of decrease for large time of the solution of a~Sobolev system with viscosity %J Sbornik. Mathematics %D 1973 %P 584-606 %V 21 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1973_21_4_a7/ %G en %F SM_1973_21_4_a7