Another proof of the Krishnaprasad-Berenstein's theorem.
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General Mathematics
Rafał Wiśniewski, Piotr Kulczycki (2004)
Control and Cybernetics
Wainberg, Dorin (2008)
Acta Universitatis Apulensis. Mathematics - Informatics
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Sibirskij Matematicheskij Zhurnal
Aleš Tondl (1956)
Aplikace matematiky
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