@article{GDZPPN001253360, title = {Regularity of the wreath product of monoids.}, journal = {Semigroup forum}, volume = {18}, year = {1979}, pages = {83-86}, zbl = {0423.20061}, url = {http://dml.mathdoc.fr/item/GDZPPN001253360} }
Skornjakov, L.A. Regularity of the wreath product of monoids.. Semigroup forum, Tome 18 (1979) pp. 83-86. http://gdmltest.u-ga.fr/item/GDZPPN001253360/