@article{10_4064_cm_54_2_325_332,
     author = {G. Lettl},
     title = {Characterization of irreducible algebraic integers by their norms},
     journal = {Colloquium Mathematicum},
     pages = {325--332},
     publisher = {mathdoc},
     volume = {54},
     number = {2},
     year = {1987},
     doi = {10.4064/cm-54-2-325-332},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-54-2-325-332/}
}