@article{10_4064_cm_11_1_25_28,
     author = {Roman Sikorski},
     title = {A few problems on {Boolean} algebras},
     journal = {Colloquium Mathematicum},
     pages = {25--28},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {1963},
     doi = {10.4064/cm-11-1-25-28},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-11-1-25-28/}
}