A polynomial approach to nonlinear system accessibility and observabilityHalás, Miroslav; Kaldmäe, Arvo; Kotta, Ülle; Dodek, MartinIFAC-PapersOnLine2025 / p. 561-566 https://doi.org/10.1016/j.ifacol.2025.11.094 Conference proceedings at Scopus Article at Scopus Article at WOS