@article{ZNSL_1987_157_a6,
     author = {M. Rudelson},
     title = {A characterization of 2-trivial {Banach} spaces with unconditional basis},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {76--87},
     publisher = {mathdoc},
     volume = {157},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1987_157_a6/}
}