For citations:
Nguyen K.T., Vlasov S.M., Pyrkin A.A., Kalinin K.Yu., Nguyen M.H., Nguyen V.V., Bui V.H. Synthesis of adaptive observer for nonlinear nonstationary systems. Scientific and Technical Journal of Information Technologies, Mechanics and Optics. 2024;24(4):554-562. (In Russ.) https://doi.org/10.17586/2226-1494-2024-24-4-554-562