@article{ZVMMF_1963_3_2_a18,
     author = {I. A. Bakhtin and A. Yu. Levin and M. Krasnosselsky},
     title = {Finding the extremum of a function on a function on a polyhedron},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {400--409},
     publisher = {mathdoc},
     volume = {3},
     number = {2},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1963_3_2_a18/}
}