PhungV. M., NguyenV. T., and DinhH. L. 2022. “Combining Interpolation Schemes and Lagrange Interpolation on the Unit Sphere in $\mathbb R^{N+1}$”. Ukrains’kyi Matematychnyi Zhurnal 74 (4), 542 -59. https://doi.org/10.37863/umzh.v74i4.6512.