Du, Juan; Ma, Chunsheng; Li, Yang Isotropic variogram matrix functions on spheres. (English) Zbl 1321.86021 Math. Geosci. 45, No. 3, 341-357 (2013). MSC: 86A32 62M40 PDFBibTeX XMLCite \textit{J. Du} et al., Math. Geosci. 45, No. 3, 341--357 (2013; Zbl 1321.86021) Full Text: DOI
Du, Juan; Ma, Chunsheng Variogram matrix functions for vector random fields with second-order increments. (English) Zbl 1321.86020 Math. Geosci. 44, No. 4, 411-425 (2012). MSC: 86A32 62M40 PDFBibTeX XMLCite \textit{J. Du} and \textit{C. Ma}, Math. Geosci. 44, No. 4, 411--425 (2012; Zbl 1321.86020) Full Text: DOI