@article{DAN_1991_319_6_a10,
     author = {S. V. Chistyakov},
     title = {Programmed iterations and universal $\epsilon$-optimal strategies},
     journal = {Doklady Akademii Nauk},
     pages = {1333--1335},
     year = {1991},
     volume = {319},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_319_6_a10/}
}