New Finite Elements for Large-Scale Simulation of Optical Waves. - Britta Heubeck; Christoph Pflaum; Gunther Steinle (SIAM J. Sci. Comput., 2008)

Convergence analysis of non-conforming Trigonometric Finite Wave Elements. - Britta Heubeck; Christoph Pflaum (J. Comput. Appl. Math., 2010)