Carolyn L. Beck, Raffaello D'Andrea. Noncommuting multidimensional realization theory: minimality, reachability, and observability. IEEE Trans. Automat. Contr., 49(10):1815-1822, 2004. [doi]
@article{BeckD04,
title = {Noncommuting multidimensional realization theory: minimality, reachability, and observability},
author = {Carolyn L. Beck and Raffaello D'Andrea},
year = {2004},
doi = {10.1109/TAC.2004.835582},
url = {http://dx.doi.org/10.1109/TAC.2004.835582},
researchr = {https://researchr.org/publication/BeckD04},
cites = {0},
citedby = {0},
journal = {IEEE Trans. Automat. Contr.},
volume = {49},
number = {10},
pages = {1815-1822},
}