On spherical harmonics based numerical quadrature over the surface of a sphere. - Bengt Fornberg; Jordan M. Martel (Adv. Comput. Math., 2014)

Stability of Radial Basis Function Methods for Convection Problems on the Circle and Sphere. - Jordan M. Martel; Rodrigo B. Platte (J. Sci. Comput., 2016)