%0 Journal Article %A G. J. Ridderbos %T Group Structures and Rectifiability in Powers of Spaces %J Bulletin of the Polish Academy of Sciences. Mathematics %D 2007 %P 357-363 %V 55 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ba55-4-7/ %R 10.4064/ba55-4-7 %G en %F 10_4064_ba55_4_7