TY  - JOUR
AU  - Book, Ronald V.
AU  - Greibach, Sheila A.
TI  - The independence of certain operations on semiAFLs
JO  - RAIRO. Informatique théorique
PY  - 1978
SP  - 369
EP  - 385
VL  - 12
IS  - 4
PB  - EDP-Sciences
UR  - http://archive.numdam.org/item/ITA_1978__12_4_369_0/
LA  - en
ID  - ITA_1978__12_4_369_0
ER  -