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                    چکیده
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                     Aim of this work is to investigate existence and multiplicity of positive solutions of a fractional
boundary value problem with an integral boundary condition with p-Laplacian operator. Necessary and
sufficient conditions are presented to obtain existence and multiplicity results. Main tools are Krasnoselskii,
Schaefer and Leggett-Williams fixed point theorems. Two examples are given to illustrate our results. 
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