@article{GDZPPN00125409X,
title = {The finiteness of a base of indentities for fiveelement monoids},
journal = {Semigroup forum},
volume = {20},
year = {1980},
pages = {171-186},
zbl = {0439.20036},
url = {http://dml.mathdoc.fr/item/GDZPPN00125409X}
}
Tishchenko, A.V. The finiteness of a base of indentities for fiveelement monoids. Semigroup forum, Tome 20 (1980) pp. 171-186. http://gdmltest.u-ga.fr/item/GDZPPN00125409X/