%0 Journal Article
%A C.R. Putnam
%T A Note on Inverses of Differential Operators.
%J Mathematische Zeitschrift
%D 1956
%P 149-150
%V 64
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1956__64_169561/
%F MZ_1956__64_169561