\Bibitem{Rai07} \by A.~M.~Raigorodskii \paper Around Borsuk's Hypothesis \inbook Geometry and mechanics \serial CMFD \yr 2007 \vol 23 \pages 147--164 \publ PFUR \publaddr M. \mathnet{http://mi.mathnet.ru/cmfd96} \mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=2342528} \zmath{https://zbmath.org/?q=an:1165.52001} \elib{https://elibrary.ru/item.asp?id=13587798} \transl \jour Journal of Mathematical Sciences \yr 2008 \vol 154 \issue 4 \pages 604--623 \crossref{https://doi.org/10.1007/s10958-008-9196-y} \scopus{https://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-54849423868}