%0 Journal Article %A Pondělíček, Bedřich %T On varieties of regular $*$-semigroups, II %J Czechoslovak Mathematical Journal %D 1991 %P 512-517 %V 41 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1991.102485/ %R 10.21136/CMJ.1991.102485 %G en %F 10_21136_CMJ_1991_102485