Rudolf E. Kálmán
Realization Theory of Linear Systems over a Commutative Ring
ICALP, 1972.
@inproceedings{ICALP-1972-Kalman,
author = "Rudolf E. Kálmán",
booktitle = "{Proceedings of the Colloquium on Automata, Languages and Programming}",
isbn = "0-7204-2074-1",
pages = "61--65",
title = "{Realization Theory of Linear Systems over a Commutative Ring}",
year = 1972,
}