%0 Journal Article
%A G.N. de OLIVEIRA
%T Note on an Inverse Characteristic Value Problem.
%J Numerische Mathematik
%D 1970
%P 345-347
%V 15
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NUMA_1970__15_131998/
%F NUMA_1970__15_131998