共 15 条
- [1] Ashordia M, 2005, MEM DIFFER EQU MATH, V36, P1
- [2] Ashordia M., 1997, MEM DIFFER EQU MATH, V11, P159
- [3] Ashordia M., 2000, FUNCT DIFFER EQU, V7, P39
- [4] Ashordia M., 1995, MEM DIFFERENTIAL EQU, V6, P1
- [5] Ashordia M, 2008, MEM DIFFER EQU MATH, V44, P133
- [6] Ashordia M, 2008, MEM DIFFER EQU MATH, V43, P153
- [8] Hildebrandt T. H., 1959, MATH, V3, P352
- [9] Kiguradze I., 1997, LINEAR THEORY, VI
- [10] Kurzweil J., 1958, CZECH MATH J, V8, P360