Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{NUMA_1976__27_132450, author = {O.H. Hald}, title = {Discrete {Inverse} {Sturm-Liouville} {Problems.} {I.} {Uniqueness} for {Symmetric} {Potentials.}}, journal = {Numerische Mathematik}, pages = {249--256}, publisher = {mathdoc}, volume = {27}, year = {1976}, zbl = {0343.65035}, url = {http://geodesic.mathdoc.fr/item/NUMA_1976__27_132450/} }
O.H. Hald. Discrete Inverse Sturm-Liouville Problems. I. Uniqueness for Symmetric Potentials.. Numerische Mathematik, Tome 27 (1976), pp. 249-256. http://geodesic.mathdoc.fr/item/NUMA_1976__27_132450/