@article{10_4064_fm_53_1_99_116,
     author = {Roman Sikorski},
     title = {On extensions and products of {Boolean} algebras},
     journal = {Fundamenta Mathematicae},
     pages = {99--116},
     publisher = {mathdoc},
     volume = {53},
     number = {1},
     year = {1964},
     doi = {10.4064/fm-53-1-99-116},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-53-1-99-116/}
}