Richard Datko. Two examples of ill-posedness with respect to time delays revisited. IEEE Trans. Automat. Contr., 42(4):511-515, 1997. [doi]
@article{Datko97,
title = {Two examples of ill-posedness with respect to time delays revisited},
author = {Richard Datko},
year = {1997},
doi = {10.1109/9.566660},
url = {https://doi.org/10.1109/9.566660},
researchr = {https://researchr.org/publication/Datko97},
cites = {0},
citedby = {0},
journal = {IEEE Trans. Automat. Contr.},
volume = {42},
number = {4},
pages = {511-515},
}