@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/