David Gómez-Ullate, N Kamran, R Milson (2007). Quasi-Exact Solvability in a General Polynomial Setting. Inverse Problems.

F Calogero, David Gómez-Ullate (2007). A New Class of Solvable Many-Body Problems with Constraints, Associated with an Exceptional Polynomial Subspace of Codimension 2. Journal of Physics A: Mathematical and Theoretical.

F Calogero, David Gómez-Ullate (2007). Two Novel Classes of Solvable Many-Body Problems of Goldfish Type with Constraints. Journal of Physics A: Mathematical and Theoretical.

David Gómez-Ullate, N. Kamran, R. Milson (2007). Quasi-Exact Solvability beyond the Sl(2) Algebraization. Physics of Atomic Nuclei.

Yuri N. Fedorov, David Gómez-Ullate (2007). Dynamical Systems on Infinitely Sheeted Riemann Surfaces. Physica D: Nonlinear Phenomena.

David Gómez-Ullate, Niky Kamran, Robert Milson (2007). Structure Theorems for Linear and Non-Linear Differential Operators Admitting Invariant Polynomial Subspaces. Discrete & Continuous Dynamical Systems - A.

F Calogero, David Gómez-Ullate, P M Santini, M Sommacal (2005). The Transition from Regular to Irregular Motions, Explained as Travel on Riemann Surfaces. Journal of Physics A: Mathematical and General.

P. Winternitz, D. Gomez-Ullate, A. Iserles, D. Levi, P. Olver, R. Quispel, P. Tempesta (2005). Group Theory and Numerical Analysis. American Mathematical Society.

David Gómez-Ullate, N Kamran, R Milson (2005). Quasi-Exact Solvability and the Direct Approach to Invariant Subspaces. Journal of Physics A: Mathematical and General.

David Gomez-Ullate, Matteo Sommacal (2005). Periods of the Goldfish Many-Body Problem:. Journal of Nonlinear Mathematical Physics.