CHEN, B.-Y.; WEI, S. W. $n$-harmonicity, minimality, conformality and cohomology. Tamkang Journal of Mathematics, [S. l.], 2023. DOI: 10.5556/j.tkjm.55.2024.5118. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/5118. Acesso em: 13 may. 2024.