@article{RO_2013__47_3_311_0,
     author = {Keykhaei, Reza and Jahandideh, Mohamad-Taghi},
     title = {Producing the tangency portfolio as a corner portfolio},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {311--320},
     publisher = {EDP-Sciences},
     volume = {47},
     number = {3},
     year = {2013},
     doi = {10.1051/ro/2013041},
     mrnumber = {3143755},
     zbl = {1282.91304},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/ro/2013041/}
}