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2. Stieltjes-Pick-Bernstein-Schoenberg and their connection to complete monotonicity;Berg,2008
3. The Dagum family of isotropic correlation functions;Berg;Bernoulli,2008
4. Leçons sur les propriétés extrémales et la meilleure approximation des fonctions analytiques d’une variable réelle;Bernstein,1926
5. New developments in the theory of radial basis function interpolation;Buhmann,1993