@article{INTO_1998_60_a6,
     author = {Yu. N. Kiselev},
     title = {Extremal property of the initial value of the adjoint variable in the minimization problem of the energy functional on trajectories of linear systems with constrained control},
     journal = {Itogi nauki i tehniki. Sovremenna\^a matematika i e\"e prilo\v{z}eni\^a. Temati\v{c}eskie obzory},
     pages = {107--127},
     publisher = {mathdoc},
     volume = {60},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTO_1998_60_a6/}
}