%0 Journal Article
%A E. Nelson
%A F. Stinespring
%T Representation of elliptic operators in an enveloping algebra
%J Matematika
%D 1961
%P 81-94
%V 5
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAT_1961_5_3_a3/
%G ru
%F MAT_1961_5_3_a3