%0 Journal Article %A Jacek Weso/lowski %T Multiplicative Cauchy functional equation and the equation of ratios on the Lorentz cone %J Studia Mathematica %D 2007 %P 263-275 %V 179 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm179-3-4/ %R 10.4064/sm179-3-4 %G en %F 10_4064_sm179_3_4