Guoxiang Gu. Model reduction with relative/multiplicative error bounds and relations to controller reduction. IEEE Trans. Automat. Contr., 40(8):1478-1485, 1995. [doi]
@article{Gu95-1, title = {Model reduction with relative/multiplicative error bounds and relations to controller reduction}, author = {Guoxiang Gu}, year = {1995}, doi = {10.1109/9.402247}, url = {https://doi.org/10.1109/9.402247}, researchr = {https://researchr.org/publication/Gu95-1}, cites = {0}, citedby = {0}, journal = {IEEE Trans. Automat. Contr.}, volume = {40}, number = {8}, pages = {1478-1485}, }