In this paper, we consider a class of quasilinear elliptic systems with weights and the nonlinearity involving the critical Hardy–Sobolev exponent and one sign-changing function. The existence and multiplicity results of positive solutions are obtained by variational methods.
Nyamoradi, N. (2012). Existence of multiple positive solutions for quasilinear elliptic systems involving critical hardy–sobolev exponents and sign-changing weight function. Mathematical Modelling and Analysis, 17(3), 330-350. https://doi.org/10.3846/13926292.2012.685956
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