@article{urn:eudml:doc:38660,
title = {A lower bound of the norm of the operator X $\rightarrow$ AXB + BXA.},
journal = {Extracta Mathematicae},
volume = {16},
year = {2001},
pages = {223-227},
zbl = {1028.46091},
mrnumber = {MR1880106},
language = {en},
url = {http://dml.mathdoc.fr/item/urn:eudml:doc:38660}
}
Barraa, Mohamed; Boumazgour, Mohamed. A lower bound of the norm of the operator X → AXB + BXA.. Extracta Mathematicae, Tome 16 (2001) pp. 223-227. http://gdmltest.u-ga.fr/item/urn:eudml:doc:38660/