@article{PORMA_1988__45_4_115640,
     author = {Artikis, Theodore and Artikis, George},
     title = {Convex densities and their financial applications},
     journal = {Portugaliae mathematica},
     pages = {393--397},
     publisher = {mathdoc},
     volume = {45},
     number = {4},
     year = {1988},
     mrnumber = {0982907},
     zbl = {0666.62013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1988__45_4_115640/}
}