• On integrability of observable space for discrete-time analytic systemsKawano, Yu; Kotta, Ülle2015 54th IEEE Conference on Decision and Control (CDC) : date: 15-18 Dec. 20152015 / p. 7137 - 7142 https://doi.org/10.1109/CDC.2015.7403345 https://www.scopus.com/sourceid/87424 https://www.scopus.com/record/display.uri?eid=2-s2.0-84962033793&origin=inward&txGid=66b9921ad736db6a95964b5660fc4105
• Transforming a set of nonlinear input-ouput equations into Popov formBartosiewicz, Zbigniew; Kotta, Ülle; Pawluszewicz, Ewa; Tõnso, Maris; Wyrwas, Małgorzata2015 54th IEEE Conference on Decision and Control (CDC) : date: 15-18 Dec. 20152015 / p. 7131 - 7136 https://doi.org/10.1109/CDC.2015.7403344 https://www.scopus.com/sourceid/87424 https://www.scopus.com/record/display.uri?eid=2-s2.0-84961992294&origin=inward&txGid=d613c67f948a1ec571c34204b0a2d06b https://www.webofscience.com/wos/woscc/full-record/WOS:000381554507054