%0 Journal Article %A Grażyna Hobot %T Some fourth-order formulae of a certain method of Zurmühl %J Applicationes Mathematicae %D 1974 %P 449-460 %V 14 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am-14-3-449-460/ %R 10.4064/am-14-3-449-460 %G en %F 10_4064_am_14_3_449_460