TY  - JOUR
AU  - J. Vukman
TI  - Two results concerning symmetric bi-derivations on prime rings.
JO  - Aequationes mathematicae
PY  - 1990
SP  - 181
EP  - 189
VL  - 40
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM2_1990__40_1_137372/
ID  - AM2_1990__40_1_137372
ER  -