Hadjian A, Zographopoulos NB, Afrouzi GA. Multiple nonsemitrivial solutions for a class of degenerate quasilinear elliptic systems. TMNA [Internet]. 2015 Jun. 1 [cited 2025 Jul. 3];45(2):385-97. Available from: https://apcz.umk.pl/TMNA/article/view/TMNA.2015.019