Voir la notice de l'article provenant de la source Math-Net.Ru
@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/} }
A. M. Raigorodskii; Yu. A. Kalnishkan. On Borsuk''s Problem in $\mathbb R^3$. Matematičeskie zametki, Tome 74 (2003) no. 1, pp. 149-151. http://geodesic.mathdoc.fr/item/MZM_2003_74_1_a18/