TY  - JOUR
AU  - Neumann, B. H.
TI  - Some Remarks on Semigroup Presentations
JO  - Canadian journal of mathematics
PY  - 1967
SP  - 1018
EP  - 1026
VL  - 19
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1967-093-2/
DO  - 10.4153/CJM-1967-093-2
ID  - 10_4153_CJM_1967_093_2
ER  -