TY - JOUR AU - Bennett, Colin AU - Rudnick, Karl AU - Vaaler, Jeffrey D. TI - Note on Best Approximation of |x| JO - Canadian mathematical bulletin PY - 1979 SP - 363 EP - 366 VL - 22 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1979-046-x/ DO - 10.4153/CMB-1979-046-x ID - 10_4153_CMB_1979_046_x ER -