@article{GDZPPN001255568,
title = {An example of the limit variety of semigroups.},
journal = {Semigroup forum},
volume = {24},
year = {1982},
pages = {319-326},
zbl = {0485.20050},
url = {http://dml.mathdoc.fr/item/GDZPPN001255568}
}
Volkov, M.V. An example of the limit variety of semigroups.. Semigroup forum, Tome 24 (1982) pp. 319-326. http://gdmltest.u-ga.fr/item/GDZPPN001255568/