%0 Journal Article
%A Kamthan, P. K.
%T On continuity of circle operation in normed algebras.
%J Collectanea mathematica
%D 1966
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CLTM_1966_1966_1_a3/
%G en
%F CLTM_1966_1966_1_a3