Analysis and development of the PLC control system with the distributed I/Os = Hajutatud sisenditega/väljunditega programmeeritavate kontrollerite juhtimissüsteemi analüüs ja arendamineRuban, Olga2009 https://digi.lib.ttu.ee/i/?294 https://www.ester.ee/record=b2508774*est

Extended observer form : simple existence conditionsKaparin, Vadim; Kotta, Ülle; Mullari, TanelInternational journal of control2013 / p. 794-803 : ill

Lineaarse mitmedimensionaalse dünaamilise süsteemi identifitseerimine sisend-väljundandmete põhjalKotta, Ülle350 aastat matemaatikat Tartu Ülikoolis = 350 лет математики в Тартуском университете : ettekannete teesid1982 / lk. 82-85 https://www.ester.ee/record=b1255795*est

MIMO model of an industrial water boilerVansovitš, Vitali; Tepljakov, Aleksei; Belikov, JuriDoctoral School in Information and Communication Technology : proceedings of doctoral session of BEC 2014 : October 6-8 2014, Laulasmaa2014 / p. 27-28 : ill

On the transformation of a nonlinear discrete-time input-output system into the strong row-reduced formBartosiewicz, Zbigniew; Belikov, Juri; Kotta, Ülle; Tõnso, Maris; Wyrwas, MałgorzataProceedings of the Estonian Academy of Sciences2016 / p. 220-236 http://dx.doi.org/10.3176/proc.2016.3.02

Optimum modelling of input-output characteristicsŠuvalova, JelenaScientific proceedings of Riga Technical University. 4. [series], Power and electrical engineering2002 / p. 113-118 : ill

Realisation of linear time-varying systemsKotta, Ülle; Tõnso, MarisInternational journal of control2017 / p. 1951-1956 https://doi.org/10.1080/00207179.2016.1230891

State-space realization of nonlinear control systems : unification and extension via pseudo-linear algebraBelikov, Juri; Kotta, Ülle; Tõnso, MarisKybernetika2012 / p. 1100-1113 https://www.researchgate.net/publication/269024076_State-space_realization_of_nonlinear_control_systems_Unification_and_extension_via_pseudo-linear_algebra

Transfer matrix and its Jacobson form for nonlinear systems on time scales : mathematica implementationBelikov, Juri; Kotta, Ülle; Leibak, AlarFull Papers : 18th International Conference on Process Control '11 : June 14-17, 2011, Tatransk Lomnica, Slovakia2011 / p. 141-146