TY  - JOUR
AU  - De Luca, Aldo
TI  - On some properties of the syntactic semigroup of a very pure subsemigroup
JO  - RAIRO. Informatique théorique
PY  - 1980
SP  - 39
EP  - 56
VL  - 14
IS  - 1
PB  - EDP-Sciences
UR  - http://www.numdam.org/item/ITA_1980__14_1_39_0/
LA  - en
ID  - ITA_1980__14_1_39_0
ER  -