@article{ZVMMF_1998_38_6_a1,
     author = {A. F. Izmailov},
     title = {On the convergence of descent methods},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {903--911},
     publisher = {mathdoc},
     volume = {38},
     number = {6},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1998_38_6_a1/}
}