TY  - JOUR
AU  - Bouali, Said
AU  - Bouhafsi, Youssef
TI  - On the Range and the Kernel of Derivations
JO  - Serdica Mathematical Journal
PY  - 2006
SP  - 31
EP  - 38
VL  - 32
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SMJ2_2006_32_1_a2/
LA  - en
ID  - SMJ2_2006_32_1_a2
ER  -