Doubly coprime factorizations related to any stabilizing controllers in state space. - João Yoshiyuki Ishihara; Roberto Moura Sales (Autom., 1999)

Parametrization of admissible controllers for generalized Rosenbrock systems. - João Y. Ishihara; Roberto Moura Sales (CDC, 2000)

The full information and state feedback H2 optimal controllers for descriptor systems. - João Yoshiyuki Ishihara; Marco H. Terra; Roberto Moura Sales (Autom., 2003)