%0 Journal Article %A P. Mangheni %T $ℒ_{π}$-Spaces and cone summing operators %J Studia Mathematica %D 1988 %P 197-203 %V 90 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-90-3-197-203/ %R 10.4064/sm-90-3-197-203 %G en %F 10_4064_sm_90_3_197_203