TY  - JOUR
AU  - A. N. Trakhtman
TI  - AЁvariety of semigroups without an irreducible basis for identities
JO  - Matematičeskie zametki
PY  - 1977
SP  - 865
EP  - 872
VL  - 21
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1977_21_6_a14/
LA  - ru
ID  - MZM_1977_21_6_a14
ER  -