@article{MZM_2006_79_1_a4,
     author = {G. E. Ivanov},
     title = {Weakly {Convex} {Sets} and {Their} {Properties}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {60--86},
     publisher = {mathdoc},
     volume = {79},
     number = {1},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2006_79_1_a4/}
}