• Transformation of nonlinear discrete-time state equations into the observer form : extension to non-reversible caseMullari, Tanel; Kotta, ÜlleProceedings of the Estonian Academy of Sciences2021 / p. 235-247 https://doi.org/10.3176/proc.2021.3.03 https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-85114734072&origin=inward&txGid=05c9a86493161e8331c65a5a78e608d0 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000700776400003