@article{GDZPPN001262394, title = {The lattice of varieties of *-regular band monoids.}, journal = {Semigroup forum}, volume = {46}, year = {1993}, pages = {130-133}, zbl = {0767.20023}, url = {http://dml.mathdoc.fr/item/GDZPPN001262394} }
Wismath, S.L. The lattice of varieties of *-regular band monoids.. Semigroup forum, Tome 46 (1993) pp. 130-133. http://gdmltest.u-ga.fr/item/GDZPPN001262394/