@article{IVM_1991_7_a4,
     author = {A. I. Zeifman},
     title = {Stability of nonhomogeneous {Markov} chains with continuous time},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {33--39},
     publisher = {mathdoc},
     number = {7},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1991_7_a4/}
}