Moya Giusti, Matias Victor Max Planck Institute for Mathematics, Max Planck Society;
https://doi.org/10.1090/proc/13788 (Publisher version)
Moya Giusti, M. V. (2018). Ghost classes in the cohomology of the Shimura variety associated to GSp4. Proceedings of the American Mathematical Society, 146(6), 2315-2325. doi:10.1090/proc/13788.