%0 Book Section %A Berkovich, Yakov %T Questions on set squaring in groups %B Structure theory of set addition %A Collectif %E Deshouilliers Jean-Marc %E Landreau Bernard %E Yudin Alexander A. %S Astérisque %D 1999 %P 249-253 %N 258 %I Société mathématique de France %U http://archive.numdam.org/item/AST_1999__258__249_0/ %G en %F AST_1999__258__249_0