@article{DM_1999_11_1_a0,
     author = {B. A. Sevast'yanov},
     title = {The probability distribution of the height of the genealogical tree of a multitype {Galton{\textendash}Watson} branching process},
     journal = {Diskretnaya Matematika},
     pages = {3--7},
     year = {1999},
     volume = {11},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_1999_11_1_a0/}
}