Tadeusz Kaczorek. A modified state variable diagram method for determination of positive realizations of linear continuous-time systems with delays. Applied Mathematics and Computer Science, 22(4):897-905, 2012. [doi]
@article{Kaczorek12a,
title = {A modified state variable diagram method for determination of positive realizations of linear continuous-time systems with delays},
author = {Tadeusz Kaczorek},
year = {2012},
url = {http://www.degruyter.com/view/j/amcs.2012.22.issue-4/v10006-012-0066-x/v10006-012-0066-x.xml},
researchr = {https://researchr.org/publication/Kaczorek12a},
cites = {0},
citedby = {0},
journal = {Applied Mathematics and Computer Science},
volume = {22},
number = {4},
pages = {897-905},
}