Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{PORMA_1985__43_1_114551, author = {Duarte, Ant\'onio Leal}, title = {Jacobi matrices with prescribed eigenvalues and diagonal elements}, journal = {Portugaliae mathematica}, pages = {105--111}, publisher = {mathdoc}, volume = {43}, number = {1}, year = {1985}, mrnumber = {0875057}, zbl = {0606.15014}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1985__43_1_114551/} }
Duarte, António Leal. Jacobi matrices with prescribed eigenvalues and diagonal elements. Portugaliae mathematica, Tome 43 (1985) no. 1, pp. 105-111. http://geodesic.mathdoc.fr/item/PORMA_1985__43_1_114551/