%0 Journal Article
%A Chajda, Ivan
%A Emanovský, Petr
%T $\Sigma$-isomorphic algebraic structures
%J Mathematica Bohemica
%D 1995
%P 71-81
%V 120
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/MB.1995.125890/
%R 10.21136/MB.1995.125890
%G en
%F 10_21136_MB_1995_125890