1. Sobolev orthogonal polynomials on a simplex;Akta;Int. Math. Res. Not. IMRN,2013
2. Theory of reproducing kernels;Aronszajn;Trans. Amer. Math. Soc.,1950
3. Stratified sampling of spherical triangles;Arvo,1995
4. State of the art in Monte Carlo ray tracing for realistic image synthesis;Arvo,2001
5. K. Basu, A. Owen, Scrambled geometric net integration over general product spaces (2015), arXiv:1503.02737.