共 11 条
[2]
Elbert A., 1981, C MATH SOC JANOS BOL, V30, P153
[3]
Hardy GH, 1988, INEQUALITIES
[4]
Hartman P, 1964, ORDINARY DIFFERENTIA
[5]
Hille E., 1969, LECT ORDINARY DIFFER
[6]
Jaros J., 1999, ACTA MATH U COMENIAN, VLXVIII, P137
[7]
Lakshmikantham V., 1989, Series In Modern Applied Mathematics, V6
[10]
Samoilenko A. M., 1995, World Scientific Series on Nonlinear Science, P14, DOI [DOI 10.1142/2892, 10.1142/2892]