@article{articleb800d25c,
title   = {Free and properly discontinuous actions of groups on homotopy 2n-spheres},
author = {Golasinski, Marek and Gonçalves, Daciberg Lima and Jimenez, Rolando},
year = {2018},
doi = {10.1017/s0013091517000207},
journal   = {Proceedings of the Edinburgh Mathematical Society}
}