%0 Journal Article %A Behrend, Kai %A Ginot, Grégory %A Noohi, Behrang %A Xu, Ping %T String topology for loop stacks %J Comptes Rendus. Mathématique %D 2007 %P 247-252 %V 344 %N 4 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.crma.2006.10.006/ %R 10.1016/j.crma.2006.10.006 %G en %F CRMATH_2007__344_4_247_0