@article{KUKZ_1983_20_20_a19,
     author = {N. B. Pleschinskii},
     title = {Optimal control of the solution of the {Riemann} boundary value problem},
     journal = {Trudy seminara po kraevym zada\v{c}am},
     pages = {185--191},
     publisher = {mathdoc},
     volume = {20},
     number = {20},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKZ_1983_20_20_a19/}
}