共 35 条
[3]
Azorero JPG, 1998, J DIFFER EQUATIONS, V144, P441
[4]
Azzollini A, 2012, DIFFER INTEGRAL EQU, V25, P543
[6]
BERESTYCKI H, 1983, ARCH RATION MECH AN, V82, P313
[10]
Cavalcanti M., 2001, ADV DIFFER EQU-NY, V6, P701