Gerasimov, O. I.; Yunger, I. B. Frequency-algebraic analysis of the absolute stability of nonlinear automatic control systems. (English. Russian original) Zbl 0800.93998 J. Comput. Syst. Sci. Int. 30, No. 6, 151-156 (1992); translation from Izv. Ross. Akad. Nauk, Tekh. Kibern. 1992, No. 1, 213-217 (1992). MSC: 93D10 Popov-type stability of feedback systems 93C55 Discrete-time control/observation systems 93C15 Control/observation systems governed by ordinary differential equations PDFBibTeX XMLCite \textit{O. I. Gerasimov} and \textit{I. B. Yunger}, J. Comput. Syst. Sci. Int. 30, No. 6, 151--156 (1992; Zbl 0800.93998); translation from Izv. Ross. Akad. Nauk, Tekh. Kibern. 1992, No. 1, 213--217 (1992)