@article{TVP_1976_21_4_a9,
     author = {M. V. Kozlov},
     title = {On asymptotics of the probability of nonextinction for a~critical branching process in random environment},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {813--825},
     year = {1976},
     volume = {21},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_1976_21_4_a9/}
}