Lyapunov-based PD linear control of the oscillatory behavior of a nonlinear mechanical system: the inverted physical pendulum with moving mass case. Aguilar-Ibáñez, Carlos Fernando; Gutiérrez-Frías, Oscar Octavio; Martínez-García, Juan Carlos; Garrido-Moctezuma, Rubén; Gómez-González, Bernardo — 2010 Mathematical Problems in Engineering
The partial non interacting problem: Structural and geometric solutions Juan Carlos Martínez García; Michel Malabre; Rabah Rabah — 1994 Kybernetika