Discreteness of the Spectrum of a Second Order Elliptic Differential Operator in L2 (rn).
Mathematica Scandinavica, Tome 22 (1968), pp. 42-50
Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS2_1968__22_166029,
author = {Erik Balslev},
title = {Discreteness of the {Spectrum} of a {Second} {Order} {Elliptic} {Differential} {Operator} in {L2} (rn).},
journal = {Mathematica Scandinavica},
pages = {42--50},
publisher = {mathdoc},
volume = {22},
year = {1968},
zbl = {0176.39901},
url = {http://geodesic.mathdoc.fr/item/MS2_1968__22_166029/}
}
Erik Balslev. Discreteness of the Spectrum of a Second Order Elliptic Differential Operator in L2 (rn).. Mathematica Scandinavica, Tome 22 (1968), pp. 42-50. http://geodesic.mathdoc.fr/item/MS2_1968__22_166029/