Boscardín, Liliana Beatriz, Liliana Raquel Castro, Silvia Mabel Castro, and Armando Eduardo De Giusti. 2006. “Wavelets Bases Defined over Tetrahedra”. Journal of Computer Science and Technology 6 (01):p. 46-52. https://journal.info.unlp.edu.ar/JCST/article/view/828.