TY  - JOUR
AU  - A.N. Petrov
TI  - Some embedding theorems in varieties of semigroups.
JO  - Semigroup forum
PY  - 1983
SP  - 201
EP  - 222
VL  - 27
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1983__27_134623/
ID  - SF_1983__27_134623
ER  -