TY  - JOUR
AU  - Khoury, Joseph
TI  - A Note on Elementary Derivations
JO  - Serdica Mathematical Journal
PY  - 2004
SP  - 549
EP  - 570
VL  - 30
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SMJ2_2004_30_4_a6/
LA  - en
ID  - SMJ2_2004_30_4_a6
ER  -