共 12 条
- [5] Deimling K., 1985, NONLINEAR FUNCTIONAL, DOI DOI 10.1007/978-3-662-00547-7
- [8] HENDERSON J., 1997, Nonlinear Stud., V4, P29
- [9] Krasnoselskii M. A., 1964, Positive Solutions of Operator Equations
- [10] Merdivenci F., 1995, J DIFFERENCE EQNS AP, V1, P263