@article{100660,
author = {Ivo Babu\v ska and Rudolf V\'yborn\'y},
title = {Continuous dependence of eigenvalues on the domain},
journal = {Czechoslovak Mathematical Journal},
volume = {15},
year = {1965},
pages = {169-178},
zbl = {0137.32302},
mrnumber = {0182799},
language = {en},
url = {http://dml.mathdoc.fr/item/100660}
}
Babuška, Ivo; Výborný, Rudolf. Continuous dependence of eigenvalues on the domain. Czechoslovak Mathematical Journal, Tome 15 (1965) pp. 169-178. http://gdmltest.u-ga.fr/item/100660/
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