@article{ZVMMF_1970_10_4_a7,
     author = {Ya. M. Bershchanskii},
     title = {An iterative method for solving optimal problems with phase constraints},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {885--894},
     year = {1970},
     volume = {10},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1970_10_4_a7/}
}