A note on observability of nonlinear discrete-time systemsKaldmäe, Arvo; Kotta, Ülle2023 62nd IEEE Conference on Decision and Control (CDC), Singapore, 13-15 December 20232023 / p. 7483-7488 https://doi.org/10.1109/CDC49753.2023.10383709 Conference proceedings at Scopus Article at Scopus Article at WOS On integrability of observable space for discrete-time analytic systemsKawano, Yu; Kotta, Ülle2015 54th IEEE Conference on Decision and Control (CDC) : date: 15-18 Dec. 20152015 / p. 7137 - 7142 https://doi.org/10.1109/CDC.2015.7403345 Conference Proceedings at Scopus Article at Scopus