%0 Journal Article
%A Cohen, Eckford
%T Arithrnetical Notes, VII Sorne Classes of even Functions (mod r).
%J Collectanea mathematica
%D 1964
%N 2-3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CLTM_1964_1964_1_a6/
%G en
%F CLTM_1964_1964_1_a6