Open Science Research Excellence
Elena Kotevska,  Generalization Kernel for Geopotential Approximation by Harmonic Splines.   journal   = {International Journal of Mathematical, Computational, Physical, Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology. August 2012, vol. 68(8). 992 - 998[viewed 24 June 2019]. Available from: http://waset.org/publications/8514.