Title of article :
Nagumo theorems of nonlinear singular boundary value problems Original Research Article
Author/Authors :
Qingdao Huang، نويسنده , , Li Yong، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 1997
Keywords :
nonlinear singular differential equations , Nagumo condition , Schauder fixed theorem , upper and lower solutions
Journal title :
Nonlinear Analysis Theory, Methods & Applications
Journal title :
Nonlinear Analysis Theory, Methods & Applications