共 11 条
[1]
Berezansky L., 1997, DYNAMIC SYSTEMS APPL, V6, P567
[2]
Erbe L.H., 1995, Oscillation Theory for Functional Differential Equations
[3]
Gopalsamy K., 2013, Stability and Oscillations in Delay Differential Equations of Population Dynamics, V74
[5]
Gy??ri I., 1991, OSCILLATION THEORY D
[6]
JONES GS, 1962, J MATH ANAL APPL, V4, P440
[7]
Kakutani S., 1958, ANN MATH STUDIES, V4, P1
[10]
Wright E.M., 1955, J REINE ANGEW MATH, V194, P66, DOI [DOI 10.1515/CRLL.1955.194.66, 10.1515/crll.1955.194.66]