Singular Sturm-Liouville Problems with Nonnegative and Indefinite Weights.
Monatshefte für Mathematik, Tome 97 (1984), pp. 177-190
@article{MOMA_1984__97_178173,
author = {H.G. Kaper and M.K. Kwong and A. Zettl},
title = {Singular {Sturm-Liouville} {Problems} with {Nonnegative} and {Indefinite} {Weights.}},
journal = {Monatshefte f\"ur Mathematik},
pages = {177--190},
year = {1984},
volume = {97},
zbl = {0535.34019},
url = {http://geodesic.mathdoc.fr/item/MOMA_1984__97_178173/}
}
H.G. Kaper; M.K. Kwong; A. Zettl. Singular Sturm-Liouville Problems with Nonnegative and Indefinite Weights.. Monatshefte für Mathematik, Tome 97 (1984), pp. 177-190. http://geodesic.mathdoc.fr/item/MOMA_1984__97_178173/