%0 Journal Article
%A Laurence,  Peter
%A Stredulinsky,  Edward
%T A comparison principle for an American option on several assets: index and spread options
%J Electronic journal of differential equations
%D 2003
%V 2003
%U http://geodesic.mathdoc.fr/item/EJDE_2003__2003__a21/
%G en
%F EJDE_2003__2003__a21