Stability of pulse-modulated systems with a monotone equivalent nonlinearity in the modulator. (English. Russian original) Zbl 1143.93324
Vestn. St. Petersbg. Univ., Math. 40, No. 4, 294-301 (2007); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 2007, No. 4, 91-99 (2007).