@article{10_4064_cm129_1_5,
     author = {Taras Banakh and Artur Bartoszewicz and Szymon G{\l}\k{a}b and Emilia Szymonik},
     title = {Algebraic and topological properties of some sets in $\ell_1$},
     journal = {Colloquium Mathematicum},
     pages = {75--85},
     publisher = {mathdoc},
     volume = {129},
     number = {1},
     year = {2012},
     doi = {10.4064/cm129-1-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm129-1-5/}
}