@article {CarmonRudnick,
       author={Dan Carmon and Zeev Rudnick},
       title={The autocorrelation of the {M}\"obius function and {C}howla's conjecture for the rational function field},
       journal={Q. J. Math.},
       volume={65},
       number = {1},
       year = {2014},
       pages = {53--61},
       doi = {10.1093/qmath/has047}       
     }