@article{GDZPPN001178539,
title = {Positivity in Complex Spaces and Its Application to Gershgorin Discs.},
journal = {Numerische Mathematik},
volume = {44},
year = {1984},
pages = {67-74},
zbl = {0548.15011},
url = {http://dml.mathdoc.fr/item/GDZPPN001178539}
}
Zenger, C. Positivity in Complex Spaces and Its Application to Gershgorin Discs.. Numerische Mathematik, Tome 44 (1984) pp. 67-74. http://gdmltest.u-ga.fr/item/GDZPPN001178539/