@article{TVP_1981_26_2_a25,
     author = {S. V. Nagaev and L. V. Han},
     title = {Letter to the editors},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {445},
     year = {1981},
     volume = {26},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_1981_26_2_a25/}
}