1. Nonlocal boundary value problem of the second kind for a Sturm–Liouville operator;Il'in;Differential Equations,1987
2. Nonlocal boundary value problem of the first kind for a Sturm–Liouville operator in its differential and finite difference aspects;Il'in;Differential Equations,1987
3. Positive solutions of a nonlinear three-point boundary value problem;Ma;Electron. J. Differential Equations,1999
4. Solvability of m-point boundary value problems with nonlinear growth;Feng;J. Math. Anal. Appl.,1997
5. On a m-point nonlinear boundary value problem;Feng;Nonlinear Anal.,1997