@article{10_4064_fm_91_3_167_170,
     author = {William Hanf},
     title = {Representing real numbers in denumerable {Boolean} algebras},
     journal = {Fundamenta Mathematicae},
     pages = {167--170},
     publisher = {mathdoc},
     volume = {91},
     number = {3},
     year = {1976},
     doi = {10.4064/fm-91-3-167-170},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-91-3-167-170/}
}