@article{10_4064_sm_62_2_193_201,
     author = {P. Wojaszczyk},
     title = {On projections and unconditional bases in direct sums of {Banach} spaces {II}},
     journal = {Studia Mathematica},
     pages = {193--201},
     publisher = {mathdoc},
     volume = {62},
     number = {2},
     year = {1978},
     doi = {10.4064/sm-62-2-193-201},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-62-2-193-201/}
}