@article{10_4064_sm164_1_2,
     author = {El\'oi Medina Galego},
     title = {The {Schroeder{\textendash}Bernstein} index for {Banach} spaces},
     journal = {Studia Mathematica},
     pages = {29--38},
     publisher = {mathdoc},
     volume = {164},
     number = {1},
     year = {2004},
     doi = {10.4064/sm164-1-2},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm164-1-2/}
}