Figueiredo, Giovany M., Sandra I. Moreira, and Ricardo Ruviaro. “Nonlinear Perturbations of a Periodic Fractional Laplacian With Supercritical Growth”. Topological Methods in Nonlinear Analysis 58, no. 1 (September 12, 2021): 335–349. Accessed January 18, 2022. https://apcz.umk.pl/TMNA/article/view/35215.