TY  - JOUR
AU  - Tyler, Robert
TI  - On the Lower Central Factors of a Free Associative Ring
JO  - Canadian journal of mathematics
PY  - 1975
SP  - 434
EP  - 438
VL  - 27
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1975-051-6/
DO  - 10.4153/CJM-1975-051-6
ID  - 10_4153_CJM_1975_051_6
ER  -