@article{10_4064_fm183_2_1,
     author = {Alan Dow and Ilijas Farah},
     title = {Is ${\cal P}(\omega )$ a subalgebra?},
     journal = {Fundamenta Mathematicae},
     pages = {91--108},
     publisher = {mathdoc},
     volume = {183},
     number = {2},
     year = {2004},
     doi = {10.4064/fm183-2-1},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm183-2-1/}
}