%0 Journal Article
%A Kannappan, P.I.
%T Characterizing topology on an Abelian semigroup by a functional equation
%J Portugaliae mathematica
%D 1969
%P 97-101
%V 28
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PORMA_1969__28_2_115088/
%G en
%F PORMA_1969__28_2_115088