1. Geostatistics, Modeling Spatial Uncertainty;Chilès,1999
2. On harmonic analysis in certain functional spaces;Cramér;Ark. Mat. Astron. Fys. B,1942
3. The Theory of Stochastic Processes, I;Gikhman,2004
4. Stationary sequences in Hilbert space;Kolmogorov;Byull. Moskov Gos. Univ. Mat.,1941
5. The intrinsic random functions and their applications;Matheron;Adv. Appl. Probab.,1973