@article{ZVMMF_2016_56_8_a13,
     author = {A. V. Panov},
     title = {Transformations of variables invariant under minimization of binary functions of multivalued arguments},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1536--1540},
     publisher = {mathdoc},
     volume = {56},
     number = {8},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2016_56_8_a13/}
}