When is the first eigenfunction for the clamped plate equation of fixed sign?
Sweers, Guido
Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 2001 (2001), p. 285-296 / Harvested from The Electronic Library of Mathematics
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Publié le : 2001-01-01
EUDML-ID : urn:eudml:doc:121016 
@article{01555459,
     title = {When is the first eigenfunction for the clamped plate equation of fixed sign?},
     journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]},
     volume = {2001},
     year = {2001},
     pages = {285-296},
     zbl = {0963.35049},
     language = {en},
     url = {http://dml.mathdoc.fr/item/01555459}
}

Sweers, Guido. When is the first eigenfunction for the clamped plate equation of fixed sign?. Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 2001 (2001) pp. 285-296. http://gdmltest.u-ga.fr/item/01555459/