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 Differ. Uravn., 1970, Volume 6, Number 1, Pages 7–16 (Mi de873)

A lower bound of the sum of the squares of the fundamental functions, and of the number of the fundamental values, for an arbitrary $FSF$ of Laplace's operator

V. A. Il'in

Lomonosov Moscow State University

Full text: PDF file (963 kB)

Bibliographic databases:
UDC: 517.95.517.955.217

Citation: V. A. Il'in, “A lower bound of the sum of the squares of the fundamental functions, and of the number of the fundamental values, for an arbitrary $FSF$ of Laplace's operator”, Differ. Uravn., 6:1 (1970), 7–16

Citation in format AMSBIB
\Bibitem{Ili70} \by V.~A.~Il'in \paper A lower bound of the sum of the squares of the fundamental functions, and of the number of the fundamental values, for an arbitrary $FSF$ of Laplace's operator \jour Differ. Uravn. \yr 1970 \vol 6 \issue 1 \pages 7--16 \mathnet{http://mi.mathnet.ru/de873} \mathscinet{http://www.ams.org/mathscinet-getitem?mr=259396} \zmath{https://zbmath.org/?q=an:0208.36703}