%0 Journal Article %A F. O. Porper %A S. D. Ăˆidel'man %T Properties of weak fundamental solutions of parabolic equations with lower-order derivatives %J Doklady Akademii Nauk %D 1986 %P 827-831 %V 288 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1986_288_4_a11/ %G ru %F DAN_1986_288_4_a11