@article{10_4064_sm144_1_4,
     author = {S. J. Dilworth and David Mitra},
     title = {A conditional quasi-greedy basis of $l_1$},
     journal = {Studia Mathematica},
     pages = {95--100},
     publisher = {mathdoc},
     volume = {144},
     number = {1},
     year = {2001},
     doi = {10.4064/sm144-1-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm144-1-4/}
}