@article{ZVMMF_1987_27_2_a0,
     author = {M. I. Sumin},
     title = {Optimal control of systems with approximately known initial data},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {163--177},
     publisher = {mathdoc},
     volume = {27},
     number = {2},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1987_27_2_a0/}
}