%0 Journal Article %A Artikis, Theodore %A Artikis, George %T Convex densities and their financial applications %J Portugaliae mathematica %D 1988 %P 393-397 %V 45 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1988__45_4_115640/ %G en %F PORMA_1988__45_4_115640