@article{MASLO_2003__53_3_a5,
     author = {El-Saify, Hussain A. and Bahaa, G. M.},
     title = {Optimal control for $n\times n$ coupled systems governed by {Petrowsky} type equations with control-constrained and infinite number of variables},
     journal = {Mathematica slovaca},
     pages = {291--311},
     publisher = {mathdoc},
     volume = {53},
     number = {3},
     year = {2003},
     mrnumber = {2025024},
     zbl = {1088.49023},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_2003__53_3_a5/}
}