%0 Journal Article %A I. M. Petrushko %T On the boundary values of solutions of parabolic equations %J Sbornik. Mathematics %D 1977 %P 347-370 %V 32 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1977_32_3_a5/ %G en %F SM_1977_32_3_a5