%0 Journal Article
%A Petrich, Mario
%T Relations on a lattice of varieties of completely regular semigroups
%J Mathematica Bohemica
%D 2020
%P 225-240
%V 145
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/MB.2019.0050-18/
%R 10.21136/MB.2019.0050-18
%G en
%F 10_21136_MB_2019_0050_18