%0 Journal Article %A Schwerdtfeger, Hans %T Interpolation and Curve Fitting by Sectionally Linear Functions %J Canadian mathematical bulletin %D 1960 %P 41-57 %V 3 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1960-009-4/ %R 10.4153/CMB-1960-009-4 %F 10_4153_CMB_1960_009_4