On the stability of hole states in molecules and clustersP.-G. Reinhard, P. M. Dinh, D. Dundas, E. Suraud and M. VincendonEur. Phys. J. Spec. Top., 232 13 (2023) 2095-2099DOI: https://doi.org/10.1140/epjs/s11734-022-00676-6