WEI, Yongfang; SHANG, Suiming; BAI, Zhanbing. Applications of variational methods to some three-point boundary value problems with instantaneous and noninstantaneous impulses. Nonlinear Analysis: Modelling and Control, [S. l.], v. 27, n. 3, p. 466–478, 2022. DOI: 10.15388/namc.2022.27.26253. Disponível em: https://www.journals.vu.lt/nonlinear-analysis/article/view/26253.. Acesso em: 6 may. 2024.