@article{10_4064_sm215_3_5,
     author = {Gideon Schechtman},
     title = {Matrix subspaces of $L_1$},
     journal = {Studia Mathematica},
     pages = {281--285},
     year = {2013},
     volume = {215},
     number = {3},
     doi = {10.4064/sm215-3-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm215-3-5/}
}