Variational stability and well-posedness in the optimal control of ordinary differential equations T. Zolezzi — 1985 Banach Center Publications
On some asymptotic minimum problems T. Zolezzi — 1974 Rendiconti del Seminario Matematico della Università di Padova
Condition numbers and Ritz type methods in unconstrained optimization T. Zolezzi — 2007 Control and Cybernetics
The simplex method for nonlinear sliding mode control. Bartolini, G.; Parodi, F.; Utkin, V.I.; Zolezzi, T. — 1999 Mathematical Problems in Engineering