@article{MAN_1990__287_1_164717,
     author = {Rajendra Bhatia and Fuad Kittaneh},
     title = {Norm inequalities for partitioned operators and an application.},
     journal = {Mathematische Annalen},
     pages = {719--726},
     publisher = {mathdoc},
     volume = {287},
     number = {1},
     year = {1990},
     zbl = {0688.47005},
     url = {http://geodesic.mathdoc.fr/item/MAN_1990__287_1_164717/}
}