[1]Krasnoselskii M A. Positive Solutions of Operator Equations. Groningen: Noordhoff, 1964
[2]Taliaferro S D. A nonlinear singular boundary value problem. Nonlinear Analysis, 1979, 3: 897-904
[3]Agarwal R P,ORegan D.Singular boundary value problems for superlinear second ordinary and delay differential equations.J Differential Equations,1996, 130:335-355
[4]O’Regan D. Singular Dirchlet boundary value problems-I, superlinear and nonresonant case. Nonlinear Analysis, 1997, 29:221-245
[5]Agarwal R P, O’Regan D. Nonlinear superlinear singular and nonsingular second order boundary value problems. J Differential Equations, 1998, 143:60-95
[6]Agarwal R P, O’Regan D. Positive solution for (p, n−p) conjugate boundary value problems. J Differential Equations, 1998, 150:462-473
|