共 50 条
[32]
The number of periodic solutions of polynomial differential equations
[J].
Mathematical Notes,
1998, 64
:622-628
[34]
PERIODIC SOLUTIONS OF A INTEGRO-DIFFERENTIAL EQUATION
[J].
ADVANCES IN DIFFERENTIAL EQUATIONS AND CONTROL PROCESSES,
2024, 31 (02)
:285-297
[36]
Periodic solutions for a singular damped differential equation
[J].
Boundary Value Problems,
2015
[38]
Periodic Solutions of Sublinear Impulsive Differential Equations
[J].
TAIWANESE JOURNAL OF MATHEMATICS,
2018, 22 (02)
:439-452
[39]
On Periodic Solutions of Delay Differential Equations with Impulses
[J].
SYMMETRY-BASEL,
2019, 11 (04)