%0 Journal Article %A Edward Dobrowolski %T On a question of Lehmer and the number of irreducible factors of a polynomial %J Acta Arithmetica %D 1977 %P 391-401 %V 34 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-34-4-391-401/ %R 10.4064/aa-34-4-391-401 %G en %F 10_4064_aa_34_4_391_401