@article{GDZPPN001171666, title = {Quadratic Interpolatory Splines.}, journal = {Numerische Mathematik}, volume = {22}, year = {1974}, pages = {241-260}, zbl = {0271.65006}, url = {http://dml.mathdoc.fr/item/GDZPPN001171666} }
Varga, R.S.; Kammerer, W.J.; Reddien, G.W. Quadratic Interpolatory Splines.. Numerische Mathematik, Tome 22 (1974) pp. 241-260. http://gdmltest.u-ga.fr/item/GDZPPN001171666/