Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{NUMA_1968__11_131830, author = {R.S. VARGA and H.I. MEDLEY}, title = {On {Smallest} {Isolated} {Gerschgorin} {Disks} for {Eigenvalues.} {II.}}, journal = {Numerische Mathematik}, pages = {320--323}, publisher = {mathdoc}, volume = {11}, year = {1968}, zbl = {0164.17604}, url = {http://geodesic.mathdoc.fr/item/NUMA_1968__11_131830/} }
R.S. VARGA; H.I. MEDLEY. On Smallest Isolated Gerschgorin Disks for Eigenvalues. II.. Numerische Mathematik, Tome 11 (1968), pp. 320-323. http://geodesic.mathdoc.fr/item/NUMA_1968__11_131830/