@article{GDZPPN002549875,
title = {Wave operators for pairs of spaces and the Klein-Gordon equation.},
journal = {Aequationes mathematicae},
volume = {20},
year = {1980},
pages = {38-50},
zbl = {0444.47016},
url = {http://dml.mathdoc.fr/item/GDZPPN002549875}
}
Schechter, Martin. Wave operators for pairs of spaces and the Klein-Gordon equation.. Aequationes mathematicae, Tome 20 (1980) pp. 38-50. http://gdmltest.u-ga.fr/item/GDZPPN002549875/