Nodal discontinuous galerkin methods. Algorithms, analysis, and applications, Texts in Applied Mathematics, issue.54, p.1370, 2007. ,
A priori error analysis of space-time trefftz discontinuous galerkin methods for wave problems, p.2015 ,
Trefftz type approximation and the generalized finite element method -history and developement, Comp Ass Mech and Eng Sci, issue.4, p.305316, 1997. ,
Trefftz method: a general theory, Instituto de Investigaciones en Matematicas Aplicadas y en Sistemas (IIMAS), p.562580, 2000. ,
DOI : 10.1002/1098-2426(200011)16:6<561::aid-num4>3.3.co;2-m
Wave polynomials in elasticity problems, 2006. ,