Ye, Hongyu. “Mass Minimizers and Concentration for Nonlinear Choquard Equations in ${\mathbb R}^N$”. Topological Methods in Nonlinear Analysis 48, no. 2 (October 17, 2016): 393–417. Accessed July 22, 2024. https://apcz.umk.pl/TMNA/article/view/TMNA.2016.066.