C. Rech, R. Perret. About structural controllability of interconnected dynamical systems. Automatica, 27(5):877-881, 1991. [doi]
@article{RechP91,
title = {About structural controllability of interconnected dynamical systems},
author = {C. Rech and R. Perret},
year = {1991},
doi = {10.1016/0005-1098(91)90045-4},
url = {http://dx.doi.org/10.1016/0005-1098(91)90045-4},
researchr = {https://researchr.org/publication/RechP91},
cites = {0},
citedby = {0},
journal = {Automatica},
volume = {27},
number = {5},
pages = {877-881},
}