TY  - JOUR
AU  - Pastijn, Francis
AU  - Yan, Xiaoying
TI  - Semigroup varieties closed for the Bruck extension
JO  - Glasgow mathematical journal
PY  - 1994
SP  - 371
EP  - 380
VL  - 36
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500030986/
DO  - 10.1017/S0017089500030986
ID  - 10_1017_S0017089500030986
ER  -