%0 Journal Article %A S. G. Krein %T Correctness of the Cauchy problem and the analyticity of solutions of the evolution equation %J Doklady Akademii Nauk %D 1966 %P 1033-1036 %V 171 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_171_5_a5/ %G ru %F DAN_1966_171_5_a5