%0 Journal Article %T An integrodifferential equation with fractional derivatives in the nonlinearities %A Zhenyu Guo and Min Liu %J ACTA MATHEMATICA UNIVERSITATIS COMENIANAE %D 2013 %I Acta Mathematica Universitatis Comenianae %X An integrodifferential equation with fractional derivatives in the nonlinearities is studied in this article, and some sufficient conditions for existence and uniqueness of a solution for the equation is established by contraction mapping principle. %K Integrodifferential equations %K fractional order derivative %K fixed point. %U http://www.emis.de/journals/AMUC/_vol-82/_no_1/_zhenyu_guo/zhenyu_guo.html