فهرست مقالات Haidong Qu مقاله 1 - Positive solution for boundary value problem of fractional dierential equation Haidong Qu Theory of Approximation and Applications , شماره 1 , سال 7 , بهار 2013 مقاله 2 - Positive Solution for Boundary Value Problem of Fractional Dierential Equation H. Qu Theory of Approximation and Applications , شماره 1 , سال 10 , زمستان 2016