Title of article :
Multiplicity of periodic solutions for second-order systems with a small forcing term Original Research Article
Author/Authors :
Chun-Lei Tang، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 1999
Keywords :
The Morse theory , critical point , The Implicit Function Theorem , Periodic solution , Sobolevיs inequality , coercivity
Journal title :
Nonlinear Analysis Theory, Methods & Applications
Journal title :
Nonlinear Analysis Theory, Methods & Applications
