%0 Journal Article
%A I. Levi
%A S. Seif
%T Range sets and partition sets in connection with congruences and algebraic invariants.
%J Semigroup forum
%D 1993
%P 285-293
%V 47
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1993__47_2_135278/
%F SF_1993__47_2_135278