@article{10_4064_sm_28_2_209_219,
     author = {William Davis and David Dean},
     title = {The direct sum of {Banach} spaces with respect to a basis},
     journal = {Studia Mathematica},
     pages = {209--219},
     publisher = {mathdoc},
     volume = {28},
     number = {2},
     year = {1966},
     doi = {10.4064/sm-28-2-209-219},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-28-2-209-219/}
}