TY  - JOUR
AU  - L.M. Shneerson
TI  - On the axiomatic rank of varieties generated by a semigroup or monoid with one defining relation.
JO  - Semigroup forum
PY  - 1989
SP  - 17
EP  - 38
VL  - 39
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1989__39_2_134971/
ID  - SF_1989__39_2_134971
ER  -