MOOSA GABELEH, Moosa; MOSHOKOA, Philemon; VETRO, Calogero. Cyclic (noncyclic) phi-condensing operator and its application to a system of differential equations. Nonlinear Analysis: Modelling and Control, [S. l.], v. 24, n. 6, p. 985–1000, 2019. DOI: 10.15388/NA.2019.6.8. Disponível em: https://www.zurnalai.vu.lt/nonlinear-analysis/article/view/14847. Acesso em: 6 jul. 2025.