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@article{DE_1973_9_1_a6,
author = {V. A. Il'in},
title = {Conditions for the convergence of spectral decompositions that correspond to selfadjoint extensions of elliptic operators. {IV.~Theorems} of negative type for an arbitrary extension of a general second order selfadjoint elliptic operator},
journal = {Differencialʹnye uravneni\^a},
pages = {49--73},
publisher = {mathdoc},
volume = {9},
number = {1},
year = {1973},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DE_1973_9_1_a6/}
}
TY - JOUR AU - V. A. Il'in TI - Conditions for the convergence of spectral decompositions that correspond to selfadjoint extensions of elliptic operators. IV.~Theorems of negative type for an arbitrary extension of a general second order selfadjoint elliptic operator JO - Differencialʹnye uravneniâ PY - 1973 SP - 49 EP - 73 VL - 9 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1973_9_1_a6/ LA - ru ID - DE_1973_9_1_a6 ER -
%0 Journal Article %A V. A. Il'in %T Conditions for the convergence of spectral decompositions that correspond to selfadjoint extensions of elliptic operators. IV.~Theorems of negative type for an arbitrary extension of a general second order selfadjoint elliptic operator %J Differencialʹnye uravneniâ %D 1973 %P 49-73 %V 9 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1973_9_1_a6/ %G ru %F DE_1973_9_1_a6
V. A. Il'in. Conditions for the convergence of spectral decompositions that correspond to selfadjoint extensions of elliptic operators. IV.~Theorems of negative type for an arbitrary extension of a general second order selfadjoint elliptic operator. Differencialʹnye uravneniâ, Tome 9 (1973) no. 1, pp. 49-73. http://geodesic.mathdoc.fr/item/DE_1973_9_1_a6/