@article{MZM_2012_92_5_a2,
     author = {O. A. Butkovskii},
     title = {Limit {Behavior} of a {Critical} {Branching} {Process} with {Immigration}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {670--677},
     publisher = {mathdoc},
     volume = {92},
     number = {5},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2012_92_5_a2/}
}