%0 Journal Article %A E. K. Isakova %T The asymptotic behaviour of the solution of a second order parabolic partial differential equation with a small %J Doklady Akademii Nauk %D 1957 %P 935-938 %V 117 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_117_6_a2/ %G ru %F DAN_1957_117_6_a2