%0 Journal Article %A A. Alexiewicz %A Z. Semadeni %T Linear functionals on two-norm spaces %J Studia Mathematica %D 1958 %P 121-140 %V 17 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-17-2-121-140/ %R 10.4064/sm-17-2-121-140 %G en %F 10_4064_sm_17_2_121_140