TY  - JOUR
AU  - Ayuso, P. Fortuny
TI  - Derivations and Valuation Rings
JO  - Canadian mathematical bulletin
PY  - 2013
SP  - 31
EP  - 38
VL  - 56
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-2011-128-6/
DO  - 10.4153/CMB-2011-128-6
ID  - 10_4153_CMB_2011_128_6
ER  -