Discreteness of the Spectrum of a Second Order Elliptic Differential Operator in L2 (rn).
Balslev, Erik
Mathematica Scandinavica, Tome 22 (1968), p. 42-50 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1968-01-01
EUDML-ID : urn:eudml:doc:166029 
@article{GDZPPN002349272,
     title = {Discreteness of the Spectrum of a Second Order Elliptic Differential Operator in L2 (rn).},
     journal = {Mathematica Scandinavica},
     volume = {22},
     year = {1968},
     pages = {42-50},
     zbl = {0176.39901},
     url = {http://dml.mathdoc.fr/item/GDZPPN002349272}
}

Balslev, Erik. Discreteness of the Spectrum of a Second Order Elliptic Differential Operator in L2 (rn).. Mathematica Scandinavica, Tome 22 (1968) pp. 42-50. http://gdmltest.u-ga.fr/item/GDZPPN002349272/