YE, H. Mass minimizers and concentration for nonlinear Choquard equations in ${\mathbb R}^N$. Topological Methods in Nonlinear Analysis, [S. l.], v. 48, n. 2, p. 393–417, 2016. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2016.066. Acesso em: 22 lip. 2024.