%0 Journal Article %A K. V. Valikov %T Proximity of solutions of the Cauchy problem for some second-order parabolic equations %J Differencialʹnye uravneniâ %D 1987 %P 686-696 %V 23 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1987_23_4_a14/ %G ru %F DE_1987_23_4_a14