@article{1103757616,
author = {Calogero, F.},
title = {Upper and lower limits for the number of bound states in a given central potential},
journal = {Comm. Math. Phys.},
volume = {1},
number = {1},
year = {1965},
pages = { 80-88},
language = {en},
url = {http://dml.mathdoc.fr/item/1103757616}
}
Calogero, F. Upper and lower limits for the number of bound states in a given central potential. Comm. Math. Phys., Tome 1 (1965) no. 1, pp. 80-88. http://gdmltest.u-ga.fr/item/1103757616/