%0 Journal Article %A XUANCHENG SHAO %T AN $L$ -FUNCTION-FREE PROOF OF VINOGRADOV’S THREE PRIMES THEOREM %J Forum of Mathematics, Sigma %D 2014 %V 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1017/fms.2014.27/ %R 10.1017/fms.2014.27 %G en %F 10_1017_fms_2014_27