%0 Journal Article %A Xu, Tao %A Zhou, Fang %A Liu, Heguo %T Polycyclic groups with automorphisms of order four %J Czechoslovak Mathematical Journal %D 2016 %P 575-582 %V 66 %N 2 %I mathdoc %U https://geodesic-test.mathdoc.fr/articles/10.1007/s10587-016-0276-8/ %R 10.1007/s10587-016-0276-8 %G en %F 10_1007_s10587_016_0276_8