@article{EJDE_2009__2009__a185,
     author = {Davis,  John M. and Gravagne,  Ian A. and Jackson,  Billy J. and Marks II,  Robert J.},
     title = {Controllability, observability, realizability, and stability of dynamic linear systems},
     journal = {Electronic journal of differential equations},
     year = {2009},
     volume = {2009},
     zbl = {1161.93003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2009__2009__a185/}
}