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Found 3 Documents (Results 1–3)

Application of the method of Lyapunov periodic functions. (English. Russian original) Zbl 1251.93113

Vestn. St. Petersbg. Univ., Math. 44, No. 3, 197-207 (2011); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 2011, No. 3, 36-47 (2011).
MSC:  93D20 93C30 93D05
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Coordinatewise estimates for vector outputs of multivariable phase control systems. (English. Russian original) Zbl 1175.93113

Vestn. St. Petersbg. Univ., Math. 42, No. 3, 212-218 (2009); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 2009, No. 3, 70-78 (2009).
MSC:  93C35 93D30 15A39
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Frequency estimates for the number of cycle slippings in a phase system with nonlinear vector function. (English. Russian original) Zbl 1172.93016

Vestn. St. Petersbg. Univ., Math. 42, No. 1, 28-36 (2009); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 2009, No. 1, 33-43 (2009).
MSC:  93C10 93D05
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