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Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.]:
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Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences, 2007, Issue 2(15), Pages 158–161
DOI: https://doi.org/10.14498/vsgtu547 (Mi vsgtu547) 		 
Short Communication
Differential Equations

Sufficient condition of Hilbertness of some eigenfunctions systems of the second order differential operator

A. S. Tsareva

A. I. Hertsen Leningrad Pedagogical Institute
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DOI: https://doi.org/10.14498/vsgtu547
Abstract: We obtain the sufficient condition of Hilbertness for the systems of eigenfunctions of the ordinary linear non-selfjoined differential operator of the second order with the condition that the imaginary parts of spectral parameters are large enough by absolute value.
Received 26.04.2007
Document Type: Article
UDC: 517.927.25+517.984.5
Language: Russian
Citation: A. S. Tsareva, “Sufficient condition of Hilbertness of some eigenfunctions systems of the second order differential operator”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 2(15) (2007), 158–161
Citation in format AMSBIB
\Bibitem{Tsa07}
\by A.~S.~Tsareva
\paper Sufficient condition of Hilbertness of some eigenfunctions systems of the second order differential operator
\jour Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.]
\yr 2007
\vol 2(15)
\pages 158--161
\mathnet{http://mi.mathnet.ru/vsgtu547}
\crossref{https://doi.org/10.14498/vsgtu547}
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    		Вестник Самарского государственного технического университета. Серия: Физико-математические науки
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