@article{10_4064_cm_39_2_215_218,
     author = {Stanley Burris and Errol Jeffers},
     title = {On the simplicity and subdirect irreducibility of {Boolean} ultrapowers},
     journal = {Colloquium Mathematicum},
     pages = {215--218},
     publisher = {mathdoc},
     volume = {39},
     number = {2},
     year = {1978},
     doi = {10.4064/cm-39-2-215-218},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-39-2-215-218/}
}