TY  - JOUR
AU  - Laurence, Peter
AU  - Stredulinsky, Edward
TI  - A comparison principle for an American option on several assets: index and spread options
JO  - Electronic Journal of Differential Equations
PY  - 2003
VL  - 2003
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/EJDE_2003__2003__a21/
LA  - en
ID  - EJDE_2003__2003__a21
ER  -