@article{10_1007_s10587_016_0276_8,
     author = {Xu, Tao and Zhou, Fang and Liu, Heguo},
     title = {Polycyclic groups with automorphisms of order four},
     journal = {Czechoslovak Mathematical Journal},
     pages = {575--582},
     publisher = {mathdoc},
     volume = {66},
     number = {2},
     year = {2016},
     doi = {10.1007/s10587-016-0276-8},
     mrnumber = {3519622},
     zbl = {06604487},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.1007/s10587-016-0276-8/}
}