Stefania Costantini Andrea Formisano 0001 Epistemic Logic Programs: A Study of Some Properties. 131-144 2022 LPNMR https://doi.org/10.1007/978-3-031-15707-3_11 conf/lpnmr/2022 db/conf/lpnmr/lpnmr2022.html#CostantiniF22