Zhitao Fan, Hui Ji, Zuowei Shen. Dual Gramian analysis: Duality principle and unitary extension principle. Math. Comput., 85(297):239-270, 2016. [doi]
@article{FanJS16,
title = {Dual Gramian analysis: Duality principle and unitary extension principle},
author = {Zhitao Fan and Hui Ji and Zuowei Shen},
year = {2016},
doi = {10.1090/mcom/2987},
url = {http://dx.doi.org/10.1090/mcom/2987},
researchr = {https://researchr.org/publication/FanJS16},
cites = {0},
citedby = {0},
journal = {Math. Comput.},
volume = {85},
number = {297},
pages = {239-270},
}