Title of article :
Periodic Solutions of Non-autonomous
Second Order Systems
Author/Authors :
Chunlei Tang، نويسنده ,
Issue Information :
دوهفته نامه با شماره پیاپی سال 1996
Abstract :
We obtain an existence theorem of periodic solutions of non-autonomous second
order systems with classical theorems of variational calculus
Journal title :
Journal of Mathematical Analysis and Applications
Journal title :
Journal of Mathematical Analysis and Applications