%0 Journal Article %A G. Lettl %T Characterization of irreducible algebraic integers by their norms %J Colloquium Mathematicum %D 1987 %P 325-332 %V 54 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-54-2-325-332/ %R 10.4064/cm-54-2-325-332 %G en %F 10_4064_cm_54_2_325_332