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Zapiski Nauchnykh Seminarov LOMI, 1983, Volume 126, Pages 73–76 (Mi znsl4194)  
On special quadratic maps

L. N. Dovbysh
Full-text PDF (223 kB)
Abstract: Sufficient conditions for the image of the unit ball of Euclidean space by quadratic map to be convex are given.
Bibliographic databases:
Document Type: Article
UDC: 517.5
Language: Russian
Citation: L. N. Dovbysh, “On special quadratic maps”, Investigations on linear operators and function theory. Part XII, Zap. Nauchn. Sem. LOMI, 126, "Nauka", Leningrad. Otdel., Leningrad, 1983, 73–76
Citation in format AMSBIB
\Bibitem{Dov83}
\by L.~N.~Dovbysh
\paper On special quadratic maps
\inbook Investigations on linear operators and function theory. Part~XII
\serial Zap. Nauchn. Sem. LOMI
\yr 1983
\vol 126
\pages 73--76
\publ "Nauka", Leningrad. Otdel.
\publaddr Leningrad
\mathnet{http://mi.mathnet.ru/znsl4194}
\mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=697426}
\zmath{https://zbmath.org/?q=an:0541.52001}
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  • https://www.mathnet.ru/eng/znsl4194
  • https://www.mathnet.ru/eng/znsl/v126/p73
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