@article{05021979,
title = {Classical solutions of the perturbed wave equation with singular potential.},
journal = {Acta Mathematica Universitatis Comenianae. New Series},
volume = {72},
year = {2003},
pages = {165-175},
zbl = {1095.35057},
language = {en},
url = {http://dml.mathdoc.fr/item/05021979}
}
Vaidya, A.; Sparling, A.J. Classical solutions of the perturbed wave equation with singular potential.. Acta Mathematica Universitatis Comenianae. New Series, Tome 72 (2003) pp. 165-175. http://gdmltest.u-ga.fr/item/05021979/