From Schoenberg Coefficients to Schoenberg Functions - Berg, Christian; Porcu, Emilio (Constructive approximation, 2017)
Keywords: Analysis; Continuity (mathematics); Covariance; Mathematics; Mathematics and Statistics; Numerical Analysis; Probability theory; Stochastic processes; Theorems; Primary 43A35; Positive definite; Secondary 33C55; Spherical harmonics; Space-time covariances