1. N.K. Agbeve, Éléments finis triangulaires rationnels de classe Ck, Thèse, Université de Nantes, France, 1993
2. Smooth macro-elements based on Clough–Tocher triangles splits;Alfeld;Numer. Math.,2002
3. Smooth macro-elements based on Powell–Sabin triangles splits;Alfeld;Adv. Comput. Math.,2002
4. Smooth interpolation in triangles;Barnhill;J. Approx. Theory,1973
5. Knot removal with radial basis function interpolants;Buhmann;C. R. Acad. Sci. Paris Sér. I,1995