author = { Stach, Izabella },

title = { Reformulation of Public Help Index θ using null player free winning coalitions },

publisher = {},

isbn = {1572-9907},

keywords = { Power indices , Public goods , Simple game , Weighted game , Aufsatz in Zeitschrift },

year = {2022},

address = { },

url = { http://slubdd.de/katalog?TN_libero_mab2 }