@article{TVP_2016_61_4_a4,
     author = {V. A. Vatutin and E. E. D'yakonova},
     title = {How many families survive for a long time?},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {709--732},
     publisher = {mathdoc},
     volume = {61},
     number = {4},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_2016_61_4_a4/}
}