![Using the Borsuk-Ulam Theorem: Lectures on Topological Methods in Combinatorics and Geometry (Universitext): Matousek, Jiri, Björner, A., Ziegler, G.M.: 9783540003625: Amazon.com: Books Using the Borsuk-Ulam Theorem: Lectures on Topological Methods in Combinatorics and Geometry (Universitext): Matousek, Jiri, Björner, A., Ziegler, G.M.: 9783540003625: Amazon.com: Books](https://m.media-amazon.com/images/I/41LGrsfNJML._AC_SY1000_.jpg)
Using the Borsuk-Ulam Theorem: Lectures on Topological Methods in Combinatorics and Geometry (Universitext): Matousek, Jiri, Björner, A., Ziegler, G.M.: 9783540003625: Amazon.com: Books
M. Aigner and G. M. Ziegler. Proofs from THE BOOK. Springer-Verlag (Berlin, etc.), 1998. ISBN 3 540 63698 6; 199 pp., hardback,
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