@article{TVP_1968_13_2_a10,
     author = {Yu. K. Belyaev},
     title = {On the number of boundary out-crossings of a~region by a~vector stochastic process},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {333--337},
     publisher = {mathdoc},
     volume = {13},
     number = {2},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_1968_13_2_a10/}
}