%0 Journal Article %A G. I. Kresin %A V. G. Maz'ya %T The maximum principle for second-order elliptic and parabolic %J Doklady Akademii Nauk %D 1983 %P 38-41 %V 273 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1983_273_1_a7/ %G ru %F DAN_1983_273_1_a7