1. Spline surfaces, Technical Report VTO/MS/156;Sabin,1969
2. Interpolation using surface splines;Harder;J. Aircr.,1972
3. Interpolation des fonctions de deux variables suivant le principe de la flexion des plaques minces;Duchon;RAIRO Anal. Numer.,1976
4. Multivariate Polysplines. Applications to Numerical and Wavelet Analysis;Kounchev,2001
5. Thin plate splines for transfinite interpolation at concentric circles;Bejancu;Math. Model. Anal.,2013