Ahlberg, J. H. The theory of splines and their applications [by] J.H. Ahlberg, E.N. Nilson and J.L. Walsh. - New York : Academic Press, c1967. - xi, 284 p. 24 cm. Bibliography: p. 277-280. Subjects--Topical Terms: Spline theory. Dewey Class. No.: 511.4223 / AHT 1967