@article{10_4064_ba61_3_5,
     author = {Paolo Lipparini},
     title = {Compactness of {Powers} of $ \omega $},
     journal = {Bulletin of the Polish Academy of Sciences. Mathematics},
     pages = {239--246},
     publisher = {mathdoc},
     volume = {61},
     number = {3},
     year = {2013},
     doi = {10.4064/ba61-3-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ba61-3-5/}
}