@article{10_4064_sm_17_2_151_164,
     author = {C. Bessaga and A. Pe{\l}czy\'nski},
     title = {On bases and unconditional convergence of series in {Banach} spaces},
     journal = {Studia Mathematica},
     pages = {151--164},
     publisher = {mathdoc},
     volume = {17},
     number = {2},
     year = {1958},
     doi = {10.4064/sm-17-2-151-164},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-17-2-151-164/}
}