@article{KYB_1973__9_2_a3,
     author = {Canh, Nguyen},
     title = {On a solution of an optimization problem in linear control systems with quadratic performance index},
     journal = {Kybernetika},
     pages = {--123},
     publisher = {mathdoc},
     volume = {09},
     number = {2},
     year = {1973},
     mrnumber = {0336491},
     zbl = {0255.49006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1973__9_2_a3/}
}