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@article{PORMA_1981__40_4_115469, author = {Grzaslewicz, Ryszard}, title = {A note on extreme contractions on $\ell _p$-spaces}, journal = {Portugaliae mathematica}, pages = {413--419}, publisher = {mathdoc}, volume = {40}, number = {4}, year = {1981}, mrnumber = {0836103}, zbl = {0587.47047}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1981__40_4_115469/} }
Grzaslewicz, Ryszard. A note on extreme contractions on $\ell _p$-spaces. Portugaliae mathematica, Tome 40 (1981) no. 4, pp. 413-419. http://geodesic.mathdoc.fr/item/PORMA_1981__40_4_115469/