@inproceedings{d26df6a68d1e41c9a5e012129e8fa1ac,
title = "Linear-quadratic problems and the Riccati equation",
author = "A.H.W. Geerts and M.L.J. Hautus",
year = "1990",
language = "English",
isbn = "0-8176-3456-8",
series = "Progress in Systems and Control Theory",
publisher = "Birkh{\"a}user Verlag",
pages = "39--55",
editor = "B. Jakubczyk and {et al.}, xx",
booktitle = "Perspectives in Control Theory (Proceedings of the Sielpia conference, Sielpia, Poland, September 19-24, 1988)",
address = "Switzerland",
}