TY - JOUR AU - Turnbull, C. TI - On a Modification of Romberg Quadrature JO - Canadian mathematical bulletin PY - 1968 SP - 217 EP - 224 VL - 11 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1968-025-x/ DO - 10.4153/CMB-1968-025-x ID - 10_4153_CMB_1968_025_x ER -