TY  - JOUR
AU  - Ashraf, Mohammad
AU  - Nadeem-ur-Rehman
TI  - On $(\sigma,\tau)$-derivations in prime rings
JO  - Archivum mathematicum
PY  - 2002
SP  - 259
EP  - 264
VL  - 38
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ARM_2002__38_4_a1/
LA  - en
ID  - ARM_2002__38_4_a1
ER  -