@article{SM_1995_186_2_a0,
     author = {\`E. D. Baladze and V. G. Boltyanskii},
     title = {Belt bodies and {Helly} dimension},
     journal = {Sbornik. Mathematics},
     pages = {163--180},
     publisher = {mathdoc},
     volume = {186},
     number = {2},
     year = {1995},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1995_186_2_a0/}
}