@article{MZM_1970_8_3_a11,
     author = {Yu. K. Belyaev},
     title = {Random flows generated by random processes (properties of random flows, level-crossing problems)},
     journal = {Matemati\v{c}eskie zametki},
     pages = {393--407},
     publisher = {mathdoc},
     volume = {8},
     number = {3},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1970_8_3_a11/}
}