TY  - JOUR
AU  - Saraswathi Subbiah
TI  - Some finitely generated subsemigroups of S(X)
JO  - Fundamenta Mathematicae
PY  - 1974
SP  - 221
EP  - 231
VL  - 86
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-86-3-221-231/
DO  - 10.4064/fm-86-3-221-231
LA  - en
ID  - 10_4064_fm_86_3_221_231
ER  -