%0 Journal Article
%A T.V. Tonev
%T Positive-definite functions on discrete commutative semigroups: Errata and supplements.
%J Semigroup forum
%D 1986
%P 371-372
%V 34
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1986__34_134851/
%F SF_1986__34_134851