%0 Journal Article
%A Lilu Zhao
%T Exceptional sets in Waring's problem: two squares and $s$ biquadrates
%J Acta Arithmetica
%D 2014
%P 369-379
%V 162
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/aa162-4-4/
%R 10.4064/aa162-4-4
%G en
%F 10_4064_aa162_4_4