1. Bulnes F, Shapiro M. On general theory of integral operators to analysis and geometry. In: Cladwell JP, editor. Monograph in Mathematics. 1st ed. México: IM/UNAM and IPN/SEPI; 2007
2. Bulnes F. Integral Geometry Methods in the Geometrical Langlands Program. USA: SCIRP; 2016
3. Bulnes F. On the last progress of cohomological induction in the problem of classification of lie groups representations. In: International Conference of Infinite Dimensional Analysis and Topology, Book of Plenary Conferences. Ukraine: Precarpatinan National University; 2009
4. F. Bulnes, “Conferences of lie groups (representation theory of reductive lie groups)”, Monograph in Pure Mathematics, SEPI-ESIME/IPN, 2nd Edition by Paul Cladwell, Mexico, 2005
5. Bateman H. The solution of partial differential equations by means of definite integrals. Proceedings of the London Mathematical Society. 1904;1(2):451-458