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
Differencialʹnye uravneniâ, Tome 6 (1970) no. 1, pp. 7-16
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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. Differencialʹnye uravneniâ, Tome 6 (1970) no. 1, pp. 7-16. http://geodesic.mathdoc.fr/item/DE_1970_6_1_a1/
@article{DE_1970_6_1_a1,
author = {V. A. Il'in},
title = {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},
journal = {Differencialʹnye uravneni\^a},
pages = {7--16},
year = {1970},
volume = {6},
number = {1},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DE_1970_6_1_a1/}
}
TY - JOUR
AU - V. A. Il'in
TI - 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
JO - Differencialʹnye uravneniâ
PY - 1970
SP - 7
EP - 16
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UR - http://geodesic.mathdoc.fr/item/DE_1970_6_1_a1/
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%J Differencialʹnye uravneniâ
%D 1970
%P 7-16
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%F DE_1970_6_1_a1
