TY  - JOUR
AU  - Ferreira, Vitor de Oliveira
TI  - Constants of derivations on free associative algebras
JO  - Glasgow mathematical journal
PY  - 2002
SP  - 177
EP  - 183
VL  - 44
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.1017/S0017089502010133/
DO  - 10.1017/S0017089502010133
ID  - 10_1017_S0017089502010133
ER  -