@article{TIMM_1996_4_a11,
     author = {M. I. Karlov},
     title = {Chebyshev sets on manifolds},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {157--161},
     publisher = {mathdoc},
     volume = {4},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_1996_4_a11/}
}