@article{ZVMMF_1970_10_5_a3,
     author = {B. T. Polyak},
     title = {Iteration methods that utilize {Lagrange} multipliers for the solution of extremal problems with equality type constraints},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1098--1106},
     publisher = {mathdoc},
     volume = {10},
     number = {5},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1970_10_5_a3/}
}