@article{ZVMMF_1993_33_3_a12,
     author = {N. T. Aliev},
     title = {An optimal method of constructing an $\varepsilon$-subgradient},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {456--458},
     publisher = {mathdoc},
     volume = {33},
     number = {3},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1993_33_3_a12/}
}