Optimality Conditions for Nonconvex Multistate Control Problems in the Coefficients. - Juan Casado-Díaz; Julio Couce-Calvo; José D. Martín-Gómez (SIAM J. Control. Optim., 2004)

A rigorous asymptotic expansion for a control problem in a thin domain. - Juan Casado-Díaz; Julio Couce-Calvo; José D. Martín-Gómez (Asymptot. Anal., 2006)

Relaxation of a Control Problem in the Coefficients with a Functional of Quadratic Growth in the Gradient. - Juan Casado-Díaz; Julio Couce-Calvo; José D. Martín-Gómez (SIAM J. Control. Optim., 2008)