TY  - JOUR
AU  - Neraud, Jean
TI  - Elementariness of a finite set of words is co-NP-complete
JO  - RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
PY  - 1990
SP  - 459
EP  - 470
VL  - 24
IS  - 5
PB  - EDP-Sciences
UR  - http://www.numdam.org/item/ITA_1990__24_5_459_0/
LA  - en
ID  - ITA_1990__24_5_459_0
ER  -