@article{ZVMMF_2007_47_10_a1,
     author = {S. I. Dudov and A. S. Dudova},
     title = {On the stability of inner and outer approximations of a~convex compact set by a~ball},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1657--1671},
     publisher = {mathdoc},
     volume = {47},
     number = {10},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2007_47_10_a1/}
}