Ilkevych, N. S., and E. A. Sevost’yanov. “On Equicontinuity of Families of Mappings With One Normalization Condition by the Prime Ends”. Ukrains’kyi Matematychnyi Zhurnal, vol. 74, no. 6, July 2022, pp. 817-25, https://doi.org/10.37863/umzh.v74i6.6887.