TY - JOUR AU - A.V. Tishchenko TI - The finiteness of a base of indentities for fiveelement monoids JO - Semigroup forum PY - 1980 SP - 171 EP - 186 VL - 20 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1980__20_134413/ ID - SF_1980__20_134413 ER -