• Comparison of LPV and nonlinear system theory : a realization problemBelikov, Juri; Kotta, Ülle; Tõnso, MarisSystems & control letters2014 / p. 72-78 https://doi.org/10.1016/j.sysconle.2013.10.009 https://www.scopus.com/sourceid/25563 https://www.scopus.com/record/display.uri?eid=2-s2.0-84891678902&origin=inward&txGid=1b574111345af39f579788193a29ec1e https://jcr.clarivate.com/jcr-jp/journal-profile?journal=SYST%20CONTROL%20LETT&year=2014 https://www.webofscience.com/wos/woscc/full-record/WOS:000332441600010
• Minimal realizations of nonlinear systemsKotta, Ülle; Moog, Claude; Tõnso, MarisAutomatica2018 / p. 207-212 https://doi.org/10.1016/j.automatica.2018.05.007 https://www.scopus.com/sourceid/24909 https://www.scopus.com/record/display.uri?eid=2-s2.0-85047724688&origin=inward&txGid=fd9e996b7522a7ea841bfb48dd2aa142 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=AUTOMATICA&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000441853900022
• The minimal time-varying realization of a nonlinear time-invariant system?Kotta, Ülle; Moog, Claude H.; Tõnso, Maris9th IFAC Symposium on Nonlinear Control Systems 2013 : Toulouse, France, 4 - 6 September 20132013 / p. 518 - 523 https://doi.org/10.3182/20130904-3-FR-2041.00080 https://www.scopus.com/sourceid/21100456158 https://www.scopus.com/record/display.uri?eid=2-s2.0-84885804720&origin=resultslist&sort=plf-f&src=s&sot=b&sdt=b&s=DOI%2810.3182%2F20130904-3-FR-2041.00080%29&sessionSearchId=b54b8b263198aa2b467a2e833e85bb3b
• Predictive smart thermostat controller for heating, ventilation, and air-conditioning systemsSoudari, Mallikarjun; Kaparin, Vadim; Srinivasan, Seshadhri; Seshadhri, Subathra; Kotta, ÜlleProceedings of the Estonian Academy of Sciences2018 / p. 291-299 : ill http://www.kirj.ee/public/proceedings_pdf/2018/issue_3/proc-2018-3-291-299.pdf https://doi.org/10.3176/proc.2018.3.11 https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-85052685297&origin=inward&txGid=a64b7e111fd580cad693bca55c9e5f85 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000443380000010
• Realization of discrete-time nonlinear input-output equations : polynomial approachKotta, Ülle; Tõnso, MarisAutomatica2012 / p. 255-262 https://www.sciencedirect.com/science/article/pii/S0005109811005413
• Realization of nonlinear MIMO system on homogeneous time scalesBelikov, Juri; Kotta, Ülle; Tõnso, MarisEuropean journal of control2015 / p. 48-54 https://doi.org/10.1016/j.ejcon.2015.01.006 https://www.scopus.com/sourceid/25406 https://www.scopus.com/record/display.uri?eid=2-s2.0-84929191540&origin=inward&txGid=21783f57b0ed4d487a08ff76850983b3 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=EUR%20J%20CONTROL&year=2015 https://www.webofscience.com/wos/woscc/full-record/WOS:000355027000006
• Remarks on the realization of time-varying systemsKotta, Ülle; Moog, Claude; Tõnso, MarisProceedings of the Estonian Academy of Sciences2018 / p. 208-216 http://www.kirj.ee/public/proceedings_pdf/2018/issue_3/proc-2018-3-207-216.pdf https://doi.org/10.3176/proc.2018.3.02 https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-85052676202&origin=inward&txGid=cd2b53377abc38bc1b71402773576ef4 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000443380000002