@article{10_4153_CMB_1993_008_8,
     author = {Gr{\o}nb{\ae}k, Niels and Willis, George A.},
     title = {Approximate {Identities} in {Banach} {Algebras} of {Compact} {Operators}},
     journal = {Canadian mathematical bulletin},
     pages = {45--53},
     year = {1993},
     volume = {36},
     number = {1},
     doi = {10.4153/CMB-1993-008-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1993-008-8/}
}