TY  - JOUR
AU  - M. Ciric
AU  - S. Bogdanovic
TI  - Nil-extensions of unions of groups induced by identities.
JO  - Semigroup forum
PY  - 1994
SP  - 303
EP  - 312
VL  - 48
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1994__48_3_135320/
ID  - SF_1994__48_3_135320
ER  -