%0 Journal Article
%A Heersink, Rudolf
%T Characterization of certain differential operators in the solution of linear partial differential equations†
%J Glasgow mathematical journal
%D 1976
%P 83-88
%V 17
%N 2
%U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500002779/
%R 10.1017/S0017089500002779
%F 10_1017_S0017089500002779