%0 Journal Article %A Tomczak-Jaegermann, N. %T Dimensional gradations and cogradations of operator ideals. The weak distance between Banach-spaces %J Séminaire d'Analyse fonctionnelle (dit "Maurey-Schwartz") %Z talk:9 %D 1980-1981 %P 1-30 %I Ecole Polytechnique, Centre de Mathématiques %U http://www.numdam.org/item/SAF_1980-1981____A9_0/ %G en %F SAF_1980-1981____A9_0