@article{FPM_2014_19_4_a1,
     author = {A. R. Alimov and I. G. Tsar'kov},
     title = {Connectedness and other geometric properties of suns and {Chebyshev} sets},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {21--91},
     publisher = {mathdoc},
     volume = {19},
     number = {4},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2014_19_4_a1/}
}