[1] Callegari A, Nachman A. Some singular nonlinear differential equations arising in boundary layer theory[J]. J Math Anal Appl, 1978, 64(1):96-105.
[2] Callegari A, Nachman A. A nonlinear singular boundary value problem in the thoery of pseudoplastic fluids[J]. SIAM J Appl Math, 1980, 38(2):275-281.
[3] Lazer A C, McKenna P J. On a singular nonlinear elliptic boundary value problem[J]. Proc Am Math Soc, 1991, 111(3):721-730.
[4] Boccardo L, Orsina L. Semilinear elliptic equations with singular nonlinearities[J]. Calc Var, 2010, 37(3):363-380.
[5] Bae S, Pahk D H. Elliptic boundary value problems with singular coefficients in nonlinear terms[J]. Nonlinear Funct Anal Appl, 1998, 3:59-75.
[6] Brezis H, Nirenberg L. Positive solutions of nonlinear equations involving critical Sobolev exponents[J]. Comm Pure Appl Math, 1983, 36(4):437-477.
[7] Caldiroli P, Musina R. On a class of two-dimensional singular elliptic problems[J]. Proc Roy Soc Edinburgh, 2001, 131(3):479-497.
[8] Caldiroli P, Musina R. Stationary states for a two-dimensional singular Schrödinger equation[J]. Boll Unione Mat Ital, 2001, 4(3):609-633.
[9] Ruiz D, Willem M. Elliptic problems with critical exponents and Hardy potentials[J]. J Differential Equations, 2003, 190(2):524-538.
[10] Palais R S. The principle of symmetric criticality[J]. Comm Math Phys, 1979, 69(1):19-30.
[11] Sun Y J, Tan Y X. Kirchhoff type equations with strong singularities[J]. Comm Pure Appl Anal, 2019, 18(1):181-193.
[12] 双震,孙义静. 一类具有强奇性的矩阵型偏微分方程的正解的存在性[J].中国科学院大学学报,2019, 36(3):311-319.
[13] Caldiroli P, Malchiodi A. Singular elliptic problems with critical growth[J]. Comm Partial Differential Equations, 2002, 27(5/6):847-876.
[14] Kristály A, Varga C. Multiple solutions for elliptic problems with singular and sublinear potentials[J]. Proc Amer Math Soc, 2007, 135(7):2121-2126.
[15] Sun Y J. Compatibility phenomena in singular problems[J]. Proc Roy Soc Edinburgh, 2013, 143(6):1321-1330.
