@article{10_4064_cm_17_2_327_331,
     author = {S. Rolewicz and C. Ryll-Nardzewski},
     title = {On unconditional convergence in linear metric spaces},
     journal = {Colloquium Mathematicum},
     pages = {327--331},
     publisher = {mathdoc},
     volume = {17},
     number = {2},
     year = {1967},
     doi = {10.4064/cm-17-2-327-331},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-17-2-327-331/}
}