@article{GDZPPN001166123,
title = {On a Theorem of Koenig.},
journal = {Numerische Mathematik},
volume = {9},
year = {1966},
pages = {465-468},
zbl = {0143.17102},
url = {http://dml.mathdoc.fr/item/GDZPPN001166123}
}
HOUSEHOLDER, A.S.; GRAGG, W.B. On a Theorem of Koenig.. Numerische Mathematik, Tome 9 (1966) pp. 465-468. http://gdmltest.u-ga.fr/item/GDZPPN001166123/