@article{GDZPPN001166182, title = {Separation Theorems for Normalizable Matrices.}, journal = {Numerische Mathematik}, volume = {9}, year = {1966}, pages = {46-50}, zbl = {0192.13501}, url = {http://dml.mathdoc.fr/item/GDZPPN001166182} }
HOUSEHOLDER, A.S. Separation Theorems for Normalizable Matrices.. Numerische Mathematik, Tome 9 (1966) pp. 46-50. http://gdmltest.u-ga.fr/item/GDZPPN001166182/