TY  - JOUR
AU  - Djoković, D. Ž.
TI  - On a Class of Semigroups
JO  - Canadian mathematical bulletin
PY  - 1969
SP  - 213
EP  - 215
VL  - 12
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1969-024-8/
DO  - 10.4153/CMB-1969-024-8
ID  - 10_4153_CMB_1969_024_8
ER  -