%0 Journal Article
%A V. L. Roitburd
%T Representation of the operator $e^{-tP}$ by a continual integral
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1976
%P 86-87
%V 10
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1976_10_2_a19/
%G ru
%F FAA_1976_10_2_a19