@article{TVP_1977_22_2_a1,
     author = {A. A. Yu\v{s}kevi\v{c}},
     title = {Markov controlled models with countable state space and continuous time},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {222--241},
     publisher = {mathdoc},
     volume = {22},
     number = {2},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_1977_22_2_a1/}
}