Title of article :
Maximum principles for fourth and sixth order periodic boundary value problems Original Research Article
Author/Authors :
Alberto Cabada، نويسنده , , Susana Lois، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 1997
Keywords :
lower and upper solutions , Green functions , Periodic boundary value problem , maximum principles
Journal title :
Nonlinear Analysis Theory, Methods & Applications
Journal title :
Nonlinear Analysis Theory, Methods & Applications
