@article{1181072628,
author = {Sweezy, Caroline},
title = {Relating Different Conditions for the Positivity of the Schr\"odinger Operator},
journal = {Rocky Mountain J. Math.},
volume = {24},
number = {1},
year = {1993},
pages = { 353-366},
language = {en},
url = {http://dml.mathdoc.fr/item/1181072628}
}
Sweezy, Caroline. Relating Different Conditions for the Positivity of the Schrödinger Operator. Rocky Mountain J. Math., Tome 24 (1993) no. 1, pp. 353-366. http://gdmltest.u-ga.fr/item/1181072628/