TY  - JOUR
AU  - Rankin, S. A.
AU  - Reis, C. M.
TI  - Semigroups with Quasi-Zeroes
JO  - Canadian journal of mathematics
PY  - 1980
SP  - 511
EP  - 530
VL  - 32
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1980-040-x/
DO  - 10.4153/CJM-1980-040-x
ID  - 10_4153_CJM_1980_040_x
ER  -