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FERREIRA, Fabiana, MEDEIROS, Everaldo S. and ROSA, Wallisom. On a semilinear fourth order elliptic problem with asymmetric nonlinearity. Topological Methods in Nonlinear Analysis. Online. 10 December 2022. Vol. 60, no. 2, pp. 761 - 773. [Accessed 22 July 2024]. DOI 10.12775/TMNA.2022.028.