\input zb-basic \input zb-ioport \iteman{io-port 70576160} \itemau{Mhamdi, Tarek; Hasan, Osman; Tahar, Sofi\`ene} \itemti{Formalization of entropy measures in HOL} \itemso{ITP, 233-248 (2011).} \itemcc{} \itemut{} \itemli{doi:10.1007/978-3-642-22863-6\_18} \end