%0 Journal Article
%A TOMASZ SCHOEN
%A OLOF SISASK
%T ROTH’S THEOREM FOR FOUR VARIABLES AND ADDITIVE STRUCTURES IN SUMS OF SPARSE SETS
%J Forum of Mathematics, Sigma
%D 2016
%V 4
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.1017/fms.2016.2/
%R 10.1017/fms.2016.2
%G en
%F 10_1017_fms_2016_2