FakhfakhM. and JeribiA. 2023. Generalized weakly demicompact and $S$-demicompact linear relations and their spectral properties. Ukrains’kyi Matematychnyi Zhurnal. 75, 8 (Aug. 2023), 1119 - 1132. DOI:https://doi.org/10.3842/umzh.v75i8.7194.