@article{ZVMMF_2000_40_8_a1,
     author = {Yu. V. Sheretova},
     title = {An optimal control problem},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1131--1141},
     publisher = {mathdoc},
     volume = {40},
     number = {8},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2000_40_8_a1/}
}