Circle Inversion of Two-Dimensional Objects with Mathematica. - R. T. Urbina; Andrés Iglesias 001 (ICCSA (3), 2005)

Symbolic Manipulation of Bspline Basis Functions with Mathematica. - Andrés Iglesias 001; Robert Ipanaqué; R. T. Urbina (International Conference on Computational Science (2), 2007)

Bspline solids manipulation with Mathematica. - Robert Ipanaqué; Ricardo Velezmoro; R. T. Urbina (CoRR, 2019)