%0 Journal Article
%A Rosenberg, I.G.
%T Special types of universal algebras preserving a relation
%J Portugaliae mathematica
%D 1975
%P 173-188
%V 34
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PORMA_1975__34_3_115261/
%G en
%F PORMA_1975__34_3_115261