On Lg-splines

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Atteia, 1966, Etude de certains noyaux et théorie des fonctions “spline” en analyse numérique

Golomb, 1967, Splines, n-widths, and optimal approximations, MRC Technical Summary Report No. 784

Greville, 1964, Interpolation by generalized spline functions, MRC Technical Summary Report No. 476

Jerome, 1967, A note on obtaining natural spline functions by the abstract approach of Laurent, MRC Technical Summary Report No. 776

Karlin, 1966

Karlin, 1966, Tchebycheffian spline functions, SIAM J. Numer. Anal., 3, 514, 10.1137/0703044

Ritter, 1968

Sard, 1967, Optimal approximation, J. Fun. Anal., 1, 222, 10.1016/0022-1236(67)90033-X

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Schoenberg, 1964, On trigonometric spline interpolation, J. Math. Mech., 13, 795

Schoenberg, 1968, On the Ahlberg-Nilson extension of spline interpolation: the g splines and their optimal properties, J. Math. Anal. and Appl., 21, 207, 10.1016/0022-247X(68)90252-7

Yosida, 1965