Henrik Sandberg, Anders Rantzer. Balanced truncation of linear time-varying systems. IEEE Trans. Automat. Contr., 49(2):217-229, 2004. [doi]
@article{SandbergR04,
title = {Balanced truncation of linear time-varying systems},
author = {Henrik Sandberg and Anders Rantzer},
year = {2004},
doi = {10.1109/TAC.2003.822862},
url = {http://dx.doi.org/10.1109/TAC.2003.822862},
researchr = {https://researchr.org/publication/SandbergR04},
cites = {0},
citedby = {0},
journal = {IEEE Trans. Automat. Contr.},
volume = {49},
number = {2},
pages = {217-229},
}