@article{KYB_1993_29_2_a0,
     author = {Vajda, Igor and \"Osterreicher, Ferdinand},
     title = {Existence, uniqueness and evaluation of log-optimal investment portfolio},
     journal = {Kybernetika},
     pages = {105--120},
     year = {1993},
     volume = {29},
     number = {2},
     mrnumber = {1227745},
     zbl = {0799.90013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1993_29_2_a0/}
}