Algebraic formalism of differential p-forms and vector fields for nonlinear control systems on homogeneous time scalesBartosiewicz, Zbigniew; Kotta, Ülle; Pawluszewicz, Ewa; Tõnso, Maris; Wyrwas, MałgorzataProceedings of the Estonian Academy of Sciences2013 / p. 215-226 Erratum : Linearization of discrete-time control system by state transformationMullari, Tanel; Kotta, ÜlleProceedings of the Estonian Academy of Sciences2021 / p. 307 https://doi.org/10.3176/proc.2021.1.09 https://kirj.ee/wp-content/plugins/kirj/pub/Erratum-proc-3-2021-307_20210822154030.pdf Feedback linearization of discrete-time nonlinear control systems : computational aspectsMullari, Tanel; Kotta, ÜlleProceedings of the Estonian Academy of Sciences2020 / p. 11-26 https://doi.org/10.3176/proc.2020.1.03 http://kirj.ee/32996/?tpl=1061&c_tpl=1064 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Forward and backward shifts of vector fields : towards the dual algebraic frameworkMullari, Tanel; Kotta, Ülle; Bartosiewicz, Zbigniew; Pawluszewicz, Ewa; Moog, ClaudeIEEE transactions on automatic control2017 / p. 3029-3033 https://doi.org/10.1109/TAC.2016.2608718 Linearization of discrete-time control system by state transformationMullari, Tanel; Kotta, ÜlleProceedings of the Estonian Academy of Sciences2021 / p. 62–79 https://doi.org/10.3176/proc.2021.1.09 https://kirj.ee/wp-content/plugins/kirj/pub/proc-1-2021-62-79_20210630094644.pdf?v=a57b8491d1d8 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Nabla derivatives associated with nonlinear control systems on homogeneous time scalesBartosiewicz, Zbigniew; Kotta, Ülle; Mullari, Tanel; Tõnso, Maris; Pawluszewicz, Ewa; Wyrwas, MałgorzataNonlinear analysis : modelling and control2016 / p. 547-563 http://dx.doi.org/10.15388/NA.2016.4.8 On the properties of forward and backward shifts of vector fieldsKaldmäe, Arvo; Kaparin, Vadim; Kotta, Ülle; Mullari, Tanel; Pawluszewicz, EwaProceedings of the Estonian Academy of Sciences2022 / p. 314-325 https://doi.org/10.3176/proc.2022.4.02 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS On the stopping criteria in nonlinear unknown input observability conditionSarafrazi, Mohammad Amin; Kotta, Ülle; Bartosiewicz, ZbigniewIEEE transactions on automatic control2022 / p. 4733-4737 https://doi.org/10.1109/TAC.2022.3160133 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS The concepts of Lie derivative for discrete-time systemsMullari, Tanel; Kotta, Ülle; Bartosiewicz, Zbigniew; Pawluszewicz, EwaProceedings of the Estonian Academy of Sciences2012 / p. 253-265 : ill Морские течения как элементы случайного векторного поляAitsam, Ain; Astok, VilluСборник статей по санитарной технике. 41967 / с. 45-49 : илл https://www.ester.ee/record=b2085120*est https://digikogu.taltech.ee/et/Item/70078b22-eb0f-463d-b740-5f540d9bbb18