@article{10_4064_fm186_3_4,
     author = {Hiroshi Sakai},
     title = {Semiproper ideals},
     journal = {Fundamenta Mathematicae},
     pages = {251--267},
     publisher = {mathdoc},
     volume = {186},
     number = {3},
     year = {2005},
     doi = {10.4064/fm186-3-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm186-3-4/}
}