@article{MZM_2001_70_2_a8,
     author = {D. Repov\v{s} and P. V. Semenov},
     title = {On the {Relation} between the {Nonconvexity} of a {Set} and the {Nonconvexity} of {Its} $\varepsilon${-Neighborhoods}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {246--259},
     publisher = {mathdoc},
     volume = {70},
     number = {2},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2001_70_2_a8/}
}