@article{TRSPY_1986_177_a0,
     author = {V. A. Vatutin and S. M. Sagitov},
     title = {A~decomposable critical branching process with two types of particles},
     journal = {Informatics and Automation},
     pages = {3--20},
     publisher = {mathdoc},
     volume = {177},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1986_177_a0/}
}