@article{GDZPPN001249932, title = {Precomplete varieties of semigroups.}, journal = {Semigroup forum}, volume = {7}, year = {1974}, pages = {278-281}, zbl = {0287.20060}, url = {http://dml.mathdoc.fr/item/GDZPPN001249932} }
Subramanian, H.; Sundararaman, T.R. Precomplete varieties of semigroups.. Semigroup forum, Tome 7 (1974) pp. 278-281. http://gdmltest.u-ga.fr/item/GDZPPN001249932/