A new triangular spectral element method I: implementation and analysis on a triangle. - Michael Daniel Samson; Huiyuan Li; Li-lian Wang (Numer. Algorithms, 2013)

A Well-Conditioned Collocation Method Using a Pseudospectral Integration Matrix. - Li-Lian Wang; Michael Daniel Samson; Xiaodan Zhao (SIAM J. Sci. Comput., 2014)