@article{MZM_1979_25_5_a2,
     author = {A. I. Vasil'ev},
     title = {Chebyshev sets and strong convexity of metric linear spaces},
     journal = {Matemati\v{c}eskie zametki},
     pages = {653--664},
     publisher = {mathdoc},
     volume = {25},
     number = {5},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1979_25_5_a2/}
}