@article{ZVMMF_2017_57_1_a4,
     author = {A. S. Antipin and L. A. Artem'eva and F. P. Vasil'ev},
     title = {Extragradient method for solving an optimal control problem with implicitly specified boundary conditions},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {49--54},
     publisher = {mathdoc},
     volume = {57},
     number = {1},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2017_57_1_a4/}
}