@article{TVP_1970_15_1_a23,
     author = {A. Ya. Kogan},
     title = {Letter to the editors},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {171},
     publisher = {mathdoc},
     volume = {15},
     number = {1},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_1970_15_1_a23/}
}