7 janvier 2008
Quien dijo que el crochet era cosas de abuelas?
Crocheting the Hyperbolic Plane updated version is published in Mathematical Intelligencer, Vol. 23, No. 2, pp. 17-28, Spring 2001. David W. Henderson Department of Mathematics, Cornell University, Ithaca, NY, USA, dwh2@cornell.edu Daina Taimi ða Department...