@article{RM_2002_57_3_a15,
     author = {A. M. Raigorodskii},
     title = {The {Borsuk} and {Hadwiger} problems and systems of vectors with restrictions on scalar products},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {606--607},
     publisher = {mathdoc},
     volume = {57},
     number = {3},
     year = {2002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2002_57_3_a15/}
}