@article{TVP_1991_36_1_a0,
     author = {V. A. Vatutin and S. M. Sagitov},
     title = {A~critical branching process: the remote past given a~favorable present},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {3--15},
     publisher = {mathdoc},
     volume = {36},
     number = {1},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_1991_36_1_a0/}
}