TY - JOUR AU - Broughan, Kevin A. TI - Extension of the Riemann ΞΎ-Function's Logarithmic Derivative Positivity Region to Near the Critical Strip JO - Canadian mathematical bulletin PY - 2009 SP - 186 EP - 194 VL - 52 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-2009-021-3/ DO - 10.4153/CMB-2009-021-3 ID - 10_4153_CMB_2009_021_3 ER -