@article{MZ_1978__162_172725,
     author = {Ahmed Ramzi Sourour},
     title = {Operators with {Absolutely} {Bounded} {Matrices.}},
     journal = {Mathematische Zeitschrift},
     pages = {183--188},
     publisher = {mathdoc},
     volume = {162},
     year = {1978},
     zbl = {0368.47014},
     url = {http://geodesic.mathdoc.fr/item/MZ_1978__162_172725/}
}