Geodesic
Computable Bounds for Eigenvalues and Eigenfunctions of Elliptic Differential Operators.
Numerische Mathematik, Tome 54 (1989) no. 3, pp. 201-224.

Voir la notice de l'article provenant de la source European Digital Mathematics Library

Mots-clés : elliptic differential operators, eigenvalue bounds, self-adjoint operator, eigenfunction 
@article{NUMA_1989__54_3_133314,
     author = {Georg Still},
     title = {Computable {Bounds} for {Eigenvalues} and {Eigenfunctions} of {Elliptic} {Differential} {Operators.}},
     journal = {Numerische Mathematik},
     pages = {201--224},
     publisher = {mathdoc},
     volume = {54},
     number = {3},
     year = {1989},
     zbl = {0662.65094},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1989__54_3_133314/}
}
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Georg Still. Computable Bounds for Eigenvalues and Eigenfunctions of Elliptic Differential Operators.. Numerische Mathematik, Tome 54 (1989) no. 3, pp. 201-224. http://geodesic.mathdoc.fr/item/NUMA_1989__54_3_133314/