@article{1183526090,
author = {Greiner, Peter C.},
title = {Eigenfunction expansions and scattering theory for perturbed elliptic partial
differential operators},
journal = {Bull. Amer. Math. Soc.},
volume = {70},
number = {6},
year = {1964},
pages = { 517-521},
language = {en},
url = {http://dml.mathdoc.fr/item/1183526090}
}
Greiner, Peter C. Eigenfunction expansions and scattering theory for perturbed elliptic partial
differential operators. Bull. Amer. Math. Soc., Tome 70 (1964) no. 6, pp. 517-521. http://gdmltest.u-ga.fr/item/1183526090/