Diaconu, Adrian. “On the Interpolation in Linear Normed Spaces Using Multiple Nodes”.
J. Numer. Anal. Approx. Theory
44, no. 1 (December 18, 2015): 42–61. Accessed April 15, 2025.
https://ictp.acad.ro/jnaat/journal/article/view/2015-vol44-no1-art4
.