TY - JOUR AU - El-Saify, Hussain A. AU - Bahaa, G. M. TI - Optimal control for $n\times n$ coupled systems governed by Petrowsky type equations with control-constrained and infinite number of variables JO - Mathematica slovaca PY - 2003 SP - 291 EP - 311 VL - 53 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MASLO_2003__53_3_a5/ LA - en ID - MASLO_2003__53_3_a5 ER -