@article{1102970737,
author = {Beals, Richard},
title = {On spectral theory and scattering for elliptic operators with singular potentials.},
journal = {Pacific J. Math.},
volume = {39},
number = {3},
year = {1971},
pages = { 7-20},
language = {en},
url = {http://dml.mathdoc.fr/item/1102970737}
}
Beals, Richard. On spectral theory and scattering for elliptic operators with singular potentials.. Pacific J. Math., Tome 39 (1971) no. 3, pp. 7-20. http://gdmltest.u-ga.fr/item/1102970737/