@article{1102978048,
author = {Chadam, John M.},
title = {The asymptotic behavior of the Klein-Gordon equation with external potential. II.},
journal = {Pacific J. Math.},
volume = {31},
number = {3},
year = {1969},
pages = { 19-31},
language = {en},
url = {http://dml.mathdoc.fr/item/1102978048}
}
Chadam, John M. The asymptotic behavior of the Klein-Gordon equation with external potential. II.. Pacific J. Math., Tome 31 (1969) no. 3, pp. 19-31. http://gdmltest.u-ga.fr/item/1102978048/