[1] Abdellaoui B, Felli V, Peral I. Existence and nonexistence for quasilinear equations involving the p-laplacian. Boll Unione Mat Ital, Sez B, 2006, 8(2): 445-484

[2] Abdellaoui B, Felli V, Peral I. Some remarks on systems of elliptic equations doubly critical in the whole R^N . Calc Var Partial Differential Equations, 2009, 34(1): 97-137

[3] Ambrosetti A, Rabinowitz P. Dual variational methods in critical point theory and applications. J Funct Anal, 1973, 14(2): 349-381

[4] Bouchekif M, Nasri Y. On a singular elliptic system at resonance. Ann Mat Pura Appl, 2010, 189(2): 227-240

[5] Brezis H, Kato T. Remarks on the Schrödinger operator with singular complex potentials. J Math Pures Appl, 1979, 58(1): 137-151

[6] Caffarelli L, Kohn R, Nirenberg L. First order interpolation inequality with weights. Compos Math, 1984, 53(1): 259-275

[7] Cao D, Han P. Solutions for semilinear elliptic equations with critical exponents and Hardy potential. J Differential Equations, 2004, 205(2): 521-537

[8] Cao D, Han P. Solutions to critical elliptic equations with multi-singular inverse square potentials. J Differential Equations, 2006, 224(2): 332-372

[9] Cao D, Peng S. A global compactness result for singular elliptic problems involving critical Sobolev exponent. Proc Amer Math Soc, 2003, 131(6): 1857-1866

[10] Cao D, Peng S, Yan S. Infinitely many solutions for p-Laplacian equation involving critical Sobolev growth. J Funct Anal, 2012, 262(6): 2861-2902

[11] Cao D, Yan S. Infinitely many solutions for an elliptic problem involving critical Sobolev growth and Hardy potential. Calc Var Partial Differential Equations, 2010, 38(2): 471-501

[12] Catrina F, Wang Z. On the Caffarelli-Kohn-Nirenberg inequalities: sharp constants, existence (and nonexistence), and symmetry of extremal functions. Comm Pure Appl Math, 2001, 54(1): 229-258

[13] Chen Z, ZouW. On an elliptic problem with critical exponent and Hardy potential. J Differential Equations, 2012, 252(2): 969-987

[14] Felli V, Terracini S. Elliptic equations with multi-singular inverse-square potentials and critical nonlinearity. Comm. Partial Differential Equations, 2006, 31(2): 469-495

[15] Ghoussoub N, Yuan C. Multiple solutions for quasi-linear PDEs involving the critical Sobolev and Hardy exponents. Trans Amer Math Soc, 2000, 352(12): 5703-5743

[16] Hardy G, Littlewood J, Polya G. Inequalities. Cambridge: Cambridge University Press, 1952

[17] Huang Y, Kang D. On the singular elliptic systems involving multiple critical Sobolev exponents. Nonlinear Anal, 2011, 74(2): 400-412

[18] Jannelli E. The role played by space dimension in elliptic critical problems. J Differential Equations, 1999, 156(2): 407-426

[19] Kang D, Peng S. Positive solutions for singular critical elliptic problems. Appl Math Lett, 2004, 17(4): 411-416

[20] Kang D, Peng S. Infinitely many solutions to elliptic systems with critical exponents and Hardy potentials. Sci China Math, 2012, 55(10): 2027-2044

[21] Liu Z, Han P. Existence of solutions for singular elliptic systems with critical exponents. Nonlinear Anal, 2008, 69(9): 2968-2983

[22] Rabinowitz P. Minimax methods in critical points theory with applications to defferential equations//CBMS Regional Conference Series in Mathematics Vol 65. Providence RI: Amer Math Soc, 1986

[23] Terracini S. On positive entire solutions to a class of equations with a singular coefficient and critical exponent. Adv Differential Equations, 1996, 1(2): 241-264

[24] Yan S, Yang J. Infinitely many solutions for an elliptic problem involving critical Sobolev and Hardy- Sobolev exponents. Calc Var Partial Differential Equations, 2013, 48(3): 587-610