@article{ZVMMF_1972_12_4_a8,
     author = {A. I. Egorov and R. Rafatov},
     title = {Approximate solution of a certain problem of optimal control},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {943--959},
     publisher = {mathdoc},
     volume = {12},
     number = {4},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1972_12_4_a8/}
}