TY  - JOUR
AU  - S. G. Mamikonyan
TI  - Varieties of finitely approximable semigroups
JO  - Sbornik. Mathematics
PY  - 1972
SP  - 349
EP  - 355
VL  - 17
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1972_17_3_a1/
LA  - en
ID  - SM_1972_17_3_a1
ER  -