@article{ZVMMF_1965_5_2_a11,
     author = {V. V. Martynyuk},
     title = {On the analysis of the graph of transitions for an operator},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {298--310},
     publisher = {mathdoc},
     volume = {5},
     number = {2},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1965_5_2_a11/}
}