%0 Journal Article %A S. Allen %A P. Pleasants %T The number of different lengths of irreducible factorization of a natural number in an algebraic number field %J Acta Arithmetica %D 1980 %P 59-86 %V 36 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-36-1-59-86/ %R 10.4064/aa-36-1-59-86 %G en %F 10_4064_aa_36_1_59_86