TY - JOUR AU - Grażyna Hobot TI - Some fourth-order formulae of a certain method of Zurmühl JO - Applicationes Mathematicae PY - 1974 SP - 449 EP - 460 VL - 14 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/am-14-3-449-460/ DO - 10.4064/am-14-3-449-460 LA - en ID - 10_4064_am_14_3_449_460 ER -