@article{GDZPPN002309947,
title = {Remarks on Some Dirichlet Type Results for Semibounded Sturm-Liouville Operators.},
journal = {Mathematische Annalen},
volume = {212},
year = {1974},
pages = {197-206},
zbl = {0297.34019},
url = {http://dml.mathdoc.fr/item/GDZPPN002309947}
}
Kalf, Hubert. Remarks on Some Dirichlet Type Results for Semibounded Sturm-Liouville Operators.. Mathematische Annalen, Tome 212 (1974) pp. 197-206. http://gdmltest.u-ga.fr/item/GDZPPN002309947/