TY  - JOUR
AU  - E.M. Mogiljanskaja
TI  - Non-isomorphic semigroups with isomorphic semigroups of subsets.
JO  - Semigroup forum
PY  - 1974
SP  - 330
EP  - 333
VL  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1974__6_133990/
ID  - SF_1974__6_133990
ER  -