%0 Journal Article %A Curtis, D. W. %T Property $Z$ for function-graphs and finite-dimensional sets in $I^\infty $ and $s$ %J Compositio Mathematica %D 1970 %P 19-22 %V 22 %N 1 %I Wolters-Noordhoff Publishing %U http://www.numdam.org/item/CM_1970__22_1_19_0/ %G en %F CM_1970__22_1_19_0