TY  - JOUR
AU  - Z. Hedrlin
AU  - P. Goralcik
TI  - On subsemigroups of transformation semigroups with two generators.
JO  - Semigroup forum
PY  - 1970
SP  - 180
EP  - 181
VL  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1970__1_133788/
ID  - SF_1970__1_133788
ER  -