Lorentz, G. G. Birkhoff interpolation / G.G. Lorentz, K. Jetter, S.D. Riemenschneider. - Reading, Mass. : Addison-Wesley Pub. Co., 1983. - lv, 237 p. ; 25 cm. - Encyclopedia of mathematics and its applications Section, Interpolation and approximation v. 19 . Includes indexes. Bibliography: p. 220-231. ISBN: 0201135183 Subjects--Topical Terms: Interpolation.Spline theory.