%0 Journal Article
%T Existence Results for a Coupled System of Nonlinear Fractional Differential Equation with Four-Point Boundary Conditions
%A M. Gaber
%A M. G. Brikaa
%J ISRN Mathematical Analysis
%D 2011
%I Hindawi Publishing Corporation
%R 10.5402/2011/468346
%U http://dx.doi.org/10.5402/2011/468346