@article{1077376387,
author = {Pernavs, N.},
title = {A uniqueness theorem for the $n$ -dimensional
Helmholz equation},
journal = {Duke Math. J.},
volume = {33},
number = {1},
year = {1966},
pages = { 335-340},
language = {en},
url = {http://dml.mathdoc.fr/item/1077376387}
}
Pernavs, N. A uniqueness theorem for the $n$ -dimensional Helmholz equation. Duke Math. J., Tome 33 (1966) no. 1, pp. 335-340. http://gdmltest.u-ga.fr/item/1077376387/