Dante C. Youla. Two observations regarding first-quadrant causal BIBO-stable digital filters. Proceedings of the IEEE, 78(4):598-603, 1990. [doi]
@article{Youla90-0,
title = {Two observations regarding first-quadrant causal BIBO-stable digital filters},
author = {Dante C. Youla},
year = {1990},
doi = {10.1109/5.54800},
url = {https://doi.org/10.1109/5.54800},
researchr = {https://researchr.org/publication/Youla90-0},
cites = {0},
citedby = {0},
journal = {Proceedings of the IEEE},
volume = {78},
number = {4},
pages = {598-603},
}