List of Articles Haidong Qu Article 1 - Positive solution for boundary value problem of fractional di erential equation Haidong Qu Theory of Approximation and Applications , Issue 1 , Year , Spring 2013 Article 2 - Positive Solution for Boundary Value Problem of Fractional Di erential Equation H. Qu Theory of Approximation and Applications , Issue 1 , Year , Winter 2016
