%0 Journal Article %A K. Bartz %A T. Fryska %T An effective estimate for the density of zeros of Hecke-Landau zeta-functions %J Acta Arithmetica %D 1989 %P 339-352 %V 52 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-52-4-339-352/ %R 10.4064/aa-52-4-339-352 %G en %F 10_4064_aa_52_4_339_352