Department of Mathematics Babes-Bolyai University, Cluj-Napoca, Romania
C. Mustăţa, On the exactity of the error evaluation in the approximation by cubic spline of interpolation, ”Babeş-Bolyai” University, Faculty of Math. and Physics, Research Seminars, Seminar on Functional Analysis and Numerical Methods, Preprint Nr. 1 (1987), 93-102.
MR # 977080
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