@article{10_4064_sm_98_1_41_51,
     author = {Frank Mantlik},
     title = {Differentiable bundles of subspaces and operators in {Banach} spaces},
     journal = {Studia Mathematica},
     pages = {41--51},
     publisher = {mathdoc},
     volume = {98},
     number = {1},
     year = {1991},
     doi = {10.4064/sm-98-1-41-51},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-98-1-41-51/}
}