@article{GDZPPN00239023X,
title = {On solutions of the Helmholtz equation in exterior domains.},
journal = {Mathematische Zeitschrift},
volume = {76},
year = {1961},
pages = {228-255},
zbl = {0096.07601},
url = {http://dml.mathdoc.fr/item/GDZPPN00239023X}
}
Hartman, Philip; Wilcox, Calvin. On solutions of the Helmholtz equation in exterior domains.. Mathematische Zeitschrift, Tome 76 (1961) pp. 228-255. http://gdmltest.u-ga.fr/item/GDZPPN00239023X/