@article{ZVMMF_1991_31_5_a6,
     author = {V. A. Voronina},
     title = {An existence theorem for solving a system of kinetic equations for a~relativistic beam},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {708--717},
     publisher = {mathdoc},
     volume = {31},
     number = {5},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1991_31_5_a6/}
}