TY  - JOUR
AU  - G. Duchamp
AU  - D. Krob
TI  - The lower central series of the free partially commutative  group.
JO  - Semigroup forum
PY  - 1992
SP  - 385
EP  - 394
VL  - 45
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1992__45_3_135200/
ID  - SF_1992__45_3_135200
ER  -