Izuchukwu, C. et al. 2026. Systems of variational inequalities and multiple-set split equality fixed-point problems for countable families of multivalued type-one mappings of the demicontractive type. Ukrains’kyi Matematychnyi Zhurnal. 71, 11 (Feb. 2026), 1480–1501. DOI:https://doi.org/10.3842/umzh.v71i11.1530.