%0 Journal Article %A L. I. Kamynin %T On the existence of solutions of the Cauchy problem and of linear boundary value problems for a second-order parabolic equation in an unbounded domain. I %J Differencialʹnye uravneniâ %D 1987 %P 1937-1948 %V 23 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1987_23_11_a11/ %G ru %F DE_1987_23_11_a11