@article{MZM_2003_74_1_a18,
     author = {A. M. Raigorodskii and Yu. A. Kalnishkan},
     title = {On {Borsuk''s} {Problem} in $\mathbb R^3$},
     journal = {Matemati\v{c}eskie zametki},
     pages = {149--151},
     publisher = {mathdoc},
     volume = {74},
     number = {1},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2003_74_1_a18/}
}