@article{GDZPPN002435217,
title = {Fundamental Solutions and Eigenfunction Expansions for Schr\"odinger Operators. II. Eigenfunction Expansions.},
journal = {Mathematische Zeitschrift},
volume = {199},
year = {1988},
pages = {1-14},
zbl = {0641.35049},
url = {http://dml.mathdoc.fr/item/GDZPPN002435217}
}
Jensen, Arne; Kitada, Hitoshi. Fundamental Solutions and Eigenfunction Expansions for Schrödinger Operators. II. Eigenfunction Expansions.. Mathematische Zeitschrift, Tome 199 (1988) pp. 1-14. http://gdmltest.u-ga.fr/item/GDZPPN002435217/