TY  - JOUR
AU  - Halava, Vesa
AU  - Harju, Tero
TI  - Undecidability of the equivalence of finite substitutions on regular language
JO  - RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
PY  - 1999
SP  - 117
EP  - 124
VL  - 33
IS  - 2
PB  - EDP-Sciences
UR  - http://www.numdam.org/item/ITA_1999__33_2_117_0/
LA  - en
ID  - ITA_1999__33_2_117_0
ER  -