@article{10_4064_ba54_2_6,
     author = {Iwo Labuda},
     title = {Alexander {Subbase} {Theorem} for {Filters}},
     journal = {Bulletin of the Polish Academy of Sciences. Mathematics},
     pages = {147--152},
     publisher = {mathdoc},
     volume = {54},
     number = {2},
     year = {2006},
     doi = {10.4064/ba54-2-6},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ba54-2-6/}
}