共 21 条
[1]
Chen G., 1980, J INTEGRAL EQUAT, V2, P133
[3]
EZZINBI K, 2011, AFR DIASPORA J MATH, V12, P34
[8]
Hale J.K., 1971, FUNCTIONAL DIFFERENT, VVolume 3
[9]
Hale J. K., 1993, APPL MATH SCI, V99, DOI DOI 10.1007/978-1-4612-4342-7