@article{DAN_1990_311_5_a7,
     author = {S. V. Rzhevskii},
     title = {On the structure of the conditional $\epsilon$-subgradient method},
     journal = {Doklady Akademii Nauk},
     pages = {1055--1059},
     publisher = {mathdoc},
     volume = {311},
     number = {5},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_311_5_a7/}
}