Kovalev, A. M.; Kozlovskiĭ, V. A.; Shcherbak, V. F. Generalized invertibility of dynamical systems for encryption problems. (Russian. English summary) Zbl 07300368 Prikl. Diskretn. Mat. 2009, Suppl. 1, 20-21 (2009). MSC: 94-XX 68-XX PDFBibTeX XMLCite \textit{A. M. Kovalev} et al., Prikl. Diskretn. Mat. 2009, 20--21 (2009; Zbl 07300368) Full Text: MNR
Kovalev, A. M.; Kozlovskiĭ, V. A.; Shcherbak, V. F. Inverse dynamical systems with variable dimension of phase space in problems of cryptographic information transformation. (Russian. English summary) Zbl 1448.94212 Prikl. Diskretn. Mat. 2008, No. 2(2), 39-44 (2008). MSC: 94A60 37N99 PDFBibTeX XMLCite \textit{A. M. Kovalev} et al., Prikl. Diskretn. Mat. 2008, No. 2(2), 39--44 (2008; Zbl 1448.94212) Full Text: DOI MNR
Kovalev, A. M.; Kozlovskii, V. A.; Shcherbak, V. F. Dynamical systems of information transformation on variable dimension phase space. (Russian) Zbl 1249.93154 Tr. Inst. Prikl. Mat. Mekh. 15, 98-107 (2007). MSC: 93D25 94A99 PDFBibTeX XMLCite \textit{A. M. Kovalev} et al., Tr. Inst. Prikl. Mat. Mekh. 15, 98--107 (2007; Zbl 1249.93154)
Kovalev, A. M.; Bolgrabskaya, I. A.; Chebanov, D. A.; Shcherbak, V. F. Damping of forced vibrations in systems of connected rigid bodies. (Russian, English) Zbl 1130.70311 Prikl. Mekh., Kiev 39, No. 3, 110-116 (2003); translation in Int. Appl. Mech. 39, No. 3, 343-349 (2003). Reviewer: Julia A. Martynyuk (Kyïv) MSC: 70E55 70E60 70Q05 PDFBibTeX XMLCite \textit{A. M. Kovalev} et al., Prikl. Mekh., Kiev 39, No. 3, 110--116 (2003; Zbl 1130.70311); translation in Int. Appl. Mech. 39, No. 3, 343--349 (2003)
Kovalev, Alexander M.; Shcherbak, Vladimir F. Inverse problems of nonlinear control systems. (English) Zbl 0964.93500 Facta Univ., Ser. Mech. Autom. Control Robot. 2, No. 7, 241-253 (1997). Reviewer: Julka Miljanović-Knežević (Zemun) MSC: 93B05 93B07 70E15 PDFBibTeX XMLCite \textit{A. M. Kovalev} and \textit{V. F. Shcherbak}, Facta Univ., Ser. Mech. Autom. Control Robot. 2, No. 7, 241--253 (1997; Zbl 0964.93500)
Kovalev, A. M.; Shcherbak, V. F. Controllability, observability and identifiability of dynamical systems. (Upravlyaemost’, nablyudaemost’, identifitciruemost’ dinamicheskikh sistem.) (Russian) Zbl 1067.93002 Kiev: Naukova Dumka (ISBN 5-12-003156-0). 234 p. (1993). Reviewer: A. A. Martynyuk (Kyïv) MSC: 93-02 93C10 93B05 93B07 93B30 70Q05 PDFBibTeX XMLCite \textit{A. M. Kovalev} and \textit{V. F. Shcherbak}, Upravlyaemost', nablyudaemost', identifitciruemost' dinamicheskikh sistem (Russian). Kiev: Naukova Dumka (1993; Zbl 1067.93002)
Kovalev, A. M.; Shcherbak, V. F. Conditions for the unique solvability of inverse problems of controlled dynamical systems. (English. Russian original) Zbl 0790.93070 Ukr. Math. J. 44, No. 10, 1245-1252 (1992); translation from Ukr. Mat. Zh. 44, No. 10, 1359-1366 (1992). MSC: 93C15 93A30 PDFBibTeX XMLCite \textit{A. M. Kovalev} and \textit{V. F. Shcherbak}, Ukr. Mat. Zh. 44, No. 10, 1359--1366 (1992; Zbl 0790.93070); translation from Ukr. Mat. Zh. 44, No. 10, 1359--1366 (1992) Full Text: DOI
Kovalev, A. M.; Shcherbak, V. F. Conditions of identifiability of nonlinear mechanical systems. (Russian) Zbl 0538.70006 Mekh. Tverd. Tela 16, 77-91 (1984). Reviewer: A.Fischer MSC: 70E15 70K99 PDFBibTeX XMLCite \textit{A. M. Kovalev} and \textit{V. F. Shcherbak}, Mekh. Tverd. Tela 16, 77--91 (1984; Zbl 0538.70006)
Kovalev, A. M.; Shcherbak, V. F. On the possibility of determination of the variable coefficients of the Magnus force and moment by using methods of the identification theory. (Russian) Zbl 0499.70011 Mekh. Tverd. Tela 13, 124-127 (1981). MSC: 70E15 PDFBibTeX XMLCite \textit{A. M. Kovalev} and \textit{V. F. Shcherbak}, Mekh. Tverd. Tela 13, 124--127 (1981; Zbl 0499.70011)