TY  - JOUR
AU  - Culik II, K.
AU  - Karhumäki, J.
TI  - On the equality sets for homomorphisms on free monoids with two generators
JO  - RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
PY  - 1980
SP  - 349
EP  - 369
VL  - 14
IS  - 4
PB  - EDP-Sciences
UR  - http://geodesic.mathdoc.fr/item/ITA_1980__14_4_349_0/
LA  - en
ID  - ITA_1980__14_4_349_0
ER  -