%0 Journal Article %A Ercan, Z. %T A remark on supra-additive and supra-multiplicative operators on $C(X)$ %J Mathematica Bohemica %D 2007 %P 55-58 %V 132 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.2007.133995/ %R 10.21136/MB.2007.133995 %G en %F 10_21136_MB_2007_133995