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Differentsial'nye Uravneniya, 1985, Volume 21, Number 4, Pages 728–731 (Mi de5508)  
Short Communications

Some criteria for discreteness of the negative part of the spectrum of a linear differential operator

V. I. Filippenko

Krivoy Rog State Pedagogical Institute
Full-text PDF (392 kB)
Received: 04.05.1982
Bibliographic databases:
Document Type: Article
UDC: 517.985
Language: Russian
Citation: V. I. Filippenko, “Some criteria for discreteness of the negative part of the spectrum of a linear differential operator”, Differ. Uravn., 21:4 (1985), 728–731
Citation in format AMSBIB
\Bibitem{Fil85}
\by V.~I.~Filippenko
\paper Some criteria for discreteness of the negative part of the spectrum of a linear differential operator
\jour Differ. Uravn.
\yr 1985
\vol 21
\issue 4
\pages 728--731
\mathnet{http://mi.mathnet.ru/de5508}
\mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=791126}
\zmath{https://zbmath.org/?q=an:0573.34021}
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