Teoría cualitativa de sistemas Hamiltonianos. Enrique A. González Velasco — 1980 Revista de la Real Academia de Ciencias Exactas Físicas y Naturales
The Lebesgue integral as a Riemann integral. Gonzalez-Velasco, Enrique A. — 1987 International Journal of Mathematics and Mathematical Sciences
Uniqueness and stability of solutions for a type of parabolic boundary value problem. Gonzalez-Velasco, Enrique A. — 1989 International Journal of Mathematics and Mathematical Sciences