@article{10_4064_ba56_2_1,
     author = {V. Farmaki and V. Nestoridis},
     title = {A {Dichotomy} {Principle} for {Universal} {Series}},
     journal = {Bulletin of the Polish Academy of Sciences. Mathematics},
     pages = {93--104},
     publisher = {mathdoc},
     volume = {56},
     number = {2},
     year = {2008},
     doi = {10.4064/ba56-2-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ba56-2-1/}
}