TY - JOUR AU - Coxeter, H. S. M. TI - The Simplicial Helix and the Equation tan nθ = n tan θ JO - Canadian mathematical bulletin PY - 1985 SP - 385 EP - 393 VL - 28 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1985-045-5/ DO - 10.4153/CMB-1985-045-5 ID - 10_4153_CMB_1985_045_5 ER -