%0 Journal Article
%A Chronowski, Antoni
%T Some properties of $\alpha$-ideals and generalized $\alpha$-ideals, $n$-semigroups and $n$-groups
%J Czechoslovak Mathematical Journal
%D 1994
%P 39-46
%V 44
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1994.128453/
%R 10.21136/CMJ.1994.128453
%G en
%F 10_21136_CMJ_1994_128453