@article{GDZPPN002427486,
title = {On Green's Function and Eigenvalues of Nonuniformly Elliptic Boundary Value Problems.},
journal = {Mathematische Zeitschrift},
volume = {183},
year = {1983},
pages = {321-326},
zbl = {0489.35060},
url = {http://dml.mathdoc.fr/item/GDZPPN002427486}
}
Coffman, C.V.; Marcus, M.M.; Mizel, V.J. On Green's Function and Eigenvalues of Nonuniformly Elliptic Boundary Value Problems.. Mathematische Zeitschrift, Tome 183 (1983) pp. 321-326. http://gdmltest.u-ga.fr/item/GDZPPN002427486/