1. Bernstein-Bézier polynomials on spherical and sphere-like surfaces;Alfeld;CAGD Journal,1996
2. Problems with defining barycentric coordinates for the sphere;Brown;Mathematical Modelling and Numerical Analysis,1992
3. Spherical averages and applications to spherical splines and interpolation;Buss;ACM Transactions on Graphics,2001
4. On the volume formula for hyperbolic tetrahedra;Cho;Discrete & Computational Geometry,1999
5. The functions of Schlafli and Lobatchefsky;Coxeter;Quarterly Journal of Mathematics,1935