@article{00436729, title = {An inverse eigenvalue problem for an arbitrary multiply connected bounded region: An extension to higher dimensions.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {16}, year = {1993}, pages = {485-492}, doi = {10.1155/S0161171293000596}, zbl = {0780.35114}, language = {en}, url = {http://dml.mathdoc.fr/item/00436729} }
Zayed, E.M.E. An inverse eigenvalue problem for an arbitrary multiply connected bounded region: An extension to higher dimensions.. International Journal of Mathematics and Mathematical Sciences, Tome 16 (1993) pp. 485-492. doi : 10.1155/S0161171293000596. http://gdmltest.u-ga.fr/item/00436729/