@article{10_4064_sm_120_2_155_158,
     author = {M. Berkani},
     title = {Idempotents dans les alg\`ebres de {Banach}},
     journal = {Studia Mathematica},
     pages = {155--158},
     publisher = {mathdoc},
     volume = {120},
     number = {2},
     year = {1996},
     doi = {10.4064/sm-120-2-155-158},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-120-2-155-158/}
}