@article{GDZPPN002329484,
title = {Note to the paper by R. Hempel, A. M. Hinz, and H. Kalf: On the Essential Spectrum of Schr\"odinger Operators with Spherically Symmetric Potentials.},
journal = {Mathematische Annalen},
volume = {277},
year = {1987},
pages = {209-212},
zbl = {0629.35028},
url = {http://dml.mathdoc.fr/item/GDZPPN002329484}
}
Weidmann, J. Note to the paper by R. Hempel, A. M. Hinz, and H. Kalf: On the Essential Spectrum of Schrödinger Operators with Spherically Symmetric Potentials.. Mathematische Annalen, Tome 277 (1987) pp. 209-212. http://gdmltest.u-ga.fr/item/GDZPPN002329484/