TY  - JOUR
AU  - Chaubard, Laura
AU  - Costa, Alfredo
TI  - A new algebraic invariant for weak equivalence of sofic subshifts
JO  - RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
PY  - 2008
SP  - 481
EP  - 502
VL  - 42
IS  - 3
PB  - EDP-Sciences
UR  - http://archive.numdam.org/articles/10.1051/ita:2008015/
DO  - 10.1051/ita:2008015
LA  - en
ID  - ITA_2008__42_3_481_0
ER  -