• A transfer function approach to the realisation problem of nonlinear systemsHalas, Miroslav; Kotta, ÜlleInternational journal of control2012 / p. 320-331
• Degree of Dieudonne determinant defines the order of nonlinear systemKotta, Ülle; Belikov, Juri; Halas, Miroslav; Leibak, AlarInternational journal of control2019 / p. 518-527 https://doi.org/10.1080/00207179.2017.1361042 https://www.scopus.com/sourceid/12342 https://www.scopus.com/record/display.uri?eid=2-s2.0-85028537902&origin=inward&txGid=34e521186061b3b50f7108e4ecfa6628 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=INT%20J%20CONTROL&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000465220400005
• Design and implementation of fractional-order PID controllers for a fluid tank systemTepljakov, Aleksei; Petlenkov, Eduard; Belikov, Juri; Halas, Miroslav2013 American Control Conference (ACC) : Washington, DC, USA, June 17-19, 20132013 / p. 1777-1782 : ill https://doi.org/10.1109/acc.2013.6580093 https://www.scopus.com/sourceid/18692 https://www.scopus.com/record/display.uri?eid=2-s2.0-84883537485&origin=resultslist&sort=plf-f&src=s&sot=b&sdt=b&s=DOI%2810.1109%2Facc.2013.6580093%29&sessionSearchId=2578bba73f583d2598e5d9854114f0a3
• Model matching problem for discrete-time nonlinear systemsBelikov, Juri; Halas, Miroslav; Kotta, Ülle; Moog, ClaudeProceedings of the Estonian Academy of Sciences2015 / p. 457-472 : ill https://artiklid.elnet.ee/record=b2750720*est https://doi.org/10.3176/proc.2015.4.01 https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-84955153678&origin=inward&txGid=3cbbfb8577a6ace95c03528a5b873223 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2015 https://www.webofscience.com/wos/woscc/full-record/WOS:000366503800001
• Non-commutative determinants in nonlinear control theory : preliminary ideasKotta, Ülle; Leibak, Alar; Halas, MiroslavICARCV 2008 : 10th International Conference on Control, Automation, Robotics & Vision : 17-20 December 2008, Hanoi, Vietnam2008 / p. 815-820 https://ieeexplore.ieee.org/document/4795622
• A polynomial approach to a nonlinear model matching problemBelikov, Juri; Halas, Miroslav; Kotta, Ülle; Moog, ClaudeProceedings of the Estonian Academy of Sciences2016 / p. 330-344 : ill https://doi.org/10.3176/proc.2016.4.02 https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-84997218083&origin=inward&txGid=bd1fa42e1987e72a2bca0099be5c5f53 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2016 https://www.webofscience.com/wos/woscc/full-record/WOS:000393289200002
• Transfer functions of discrete-time nonlinear control systemsHalas, Miroslav; Kotta, ÜlleProceedings of the Estonian Academy of Sciences. Physics. Mathematics2007 / 4, p. 322-335