@article{ZVMMF_1976_16_4_a3,
     author = {A. N. Dyukalov},
     title = {A criterion for optimality in linear dynamical problems of optimal control with mixed constraints},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {856--873},
     publisher = {mathdoc},
     volume = {16},
     number = {4},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1976_16_4_a3/}
}