@article{TVP_2002_47_1_a1,
     author = {V. A. Vatutin},
     title = {Reduced branching processes in random environment: the critical case},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {21--38},
     publisher = {mathdoc},
     volume = {47},
     number = {1},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_2002_47_1_a1/}
}