1.
Perera K, Agarwal RP, O’Regan D. Nontrivial solutions of $p$-superlinear anisotropic $p$-Laplacian systems via Morse theory. TMNA [Internet]. 2010 Apr. 23 [cited 2024 Jul. 22];35(2):367-78. Available from: https://apcz.umk.pl/TMNA/article/view/TMNA.2010.021