@article{10_4064_sm_73_3_225_251,
     author = {S. Heinrich and P. Mankiewicz},
     title = {Applications of ultrapowers to the uniform and {Lipschitz} classification of {Banach} spaces},
     journal = {Studia Mathematica},
     pages = {225--251},
     publisher = {mathdoc},
     volume = {73},
     number = {3},
     year = {1982},
     doi = {10.4064/sm-73-3-225-251},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-73-3-225-251/}
}