@article{MOMA_1990__109_2_178469,
     author = {Mohammed E.B. Bekka},
     title = {Complemented {Subspaces} of {L...} {(G),} {Ideals} of {L...} {(G)} and {Amenability.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {195--204},
     publisher = {mathdoc},
     volume = {109},
     number = {2},
     year = {1990},
     zbl = {0713.43003},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1990__109_2_178469/}
}