%0 Journal Article %A S. Bernau %A C. Huijsmans %T On the positivity of the unit element in a normed lattice ordered algebra %J Studia Mathematica %D 1990 %P 143-149 %V 97 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-97-2-143-149/ %R 10.4064/sm-97-2-143-149 %G en %F 10_4064_sm_97_2_143_149