@article{TVP_1972_17_4_a6,
     author = {E. L. Presman and I. M. Sonin},
     title = {The best choice problem for a random number of objects},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {695--706},
     publisher = {mathdoc},
     volume = {17},
     number = {4},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_1972_17_4_a6/}
}