Butt, S. I., Pečarić, Ð. and Pečarić, J. (2023) “Several Jensen–Grüss inequalities with applications in information theory”, Ukrains’kyi Matematychnyi Zhurnal, 74(12), pp. 1654 - 1672. doi: 10.37863/umzh.v74i12.6554.