YANG, Y.; ZHU, X. Prescribing Gaussian curvature on closed Riemann surface with conical singularity in the negative case. Annales Fennici Mathematici, [S. l.], v. 44, n. 1, p. 167–181, 2019. DOI: 10.5186/aasfm.2019.4411. Disponível em: https://afm.journal.fi/article/view/135785. Acesso em: 20 touko. 2024.