TY  - JOUR
AU  - Lam, Clement S.
TI  - Some characterizations of the hereditary pretorsion class of semigroup automata
JO  - Glasgow mathematical journal
PY  - 1993
SP  - 327
EP  - 337
VL  - 35
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500009903/
DO  - 10.1017/S0017089500009903
ID  - 10_1017_S0017089500009903
ER  -