@article{INTO_1999_66_a3,
     author = {M. I. Sumin},
     title = {A maximum principle in the theory of suboptimal control of distributed systems with operator constraints in {a~Hilbert} space},
     journal = {Itogi nauki i tehniki. Sovremenna\^a matematika i e\"e prilo\v{z}eni\^a. Temati\v{c}eskie obzory},
     pages = {193--235},
     publisher = {mathdoc},
     volume = {66},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTO_1999_66_a3/}
}