@article{ZVMMF_1966_6_2_a1,
     author = {I. A. Krylov and F. L. Chernous'ko},
     title = {Solution of the problems of optimal control by the method of local variations},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {203--217},
     publisher = {mathdoc},
     volume = {6},
     number = {2},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1966_6_2_a1/}
}