FERREIRA, Fabiana, MEDEIROS, Everaldo S. & ROSA, Wallisom. On a semilinear fourth order elliptic problem with asymmetric nonlinearity. Topological Methods in Nonlinear Analysis [online]. 10 grudzień 2022, T. 60, nr 2, s. 761–773. [udostępniono 16.12.2025]. DOI 10.12775/TMNA.2022.028.