@article{701142,
     title = {Some extreme contractions on $l\_p$-spaces},
     booktitle = {Abstracta. 7th Winter School on Abstract Analysis},
     series = {GDML\_Books},
     publisher = {Czechoslovak Academy of Sciences},
     address = {Praha},
     year = {1979},
     pages = {25-27},
     url = {http://dml.mathdoc.fr/item/701142}
}

Gząślewicz, R. Some extreme contractions on $l_p$-spaces, dans Abstracta. 7th Winter School on Abstract Analysis, GDML_Books,  (1979), pp. 25-27. http://gdmltest.u-ga.fr/item/701142/