@article{10_4064_sm167_1_4,
     author = {D. H. Fremlin and B. de Pagter and W. J. Ricker},
     title = {Sequential closedness of {Boolean} algebras of projections
 in {Banach} spaces},
     journal = {Studia Mathematica},
     pages = {45--62},
     publisher = {mathdoc},
     volume = {167},
     number = {1},
     year = {2005},
     doi = {10.4064/sm167-1-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm167-1-4/}
}