%0 Journal Article
%A Erik Lippa
%T An Elementary Approach to Hecke Operators.
%J Mathematische Annalen
%D 1973
%P 237-242
%V 206
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAN_1973__206_162518/
%F MAN_1973__206_162518