%0 Journal Article
%A D. Suryanarayana
%T Super Perfect Numbers.
%J Elemente der Mathematik
%D 1969
%P 16-17
%V 24
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ELMA_1969__24_140912/
%F ELMA_1969__24_140912