@article{KYB_1970_6_3_a1,
     author = {Brunovsk\'y, Pavol},
     title = {A classification of linear controllable systems},
     journal = {Kybernetika},
     pages = {173--188},
     year = {1970},
     volume = {6},
     number = {3},
     mrnumber = {0284247},
     zbl = {0199.48202},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1970_6_3_a1/}
}