%0 Journal Article %A Serge Yagunov %T Remark on rigidity over several fields %J Homology, homotopy, and applications %D 2011 %P 159-164 %V 13 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4310/HHA.2011.v13.n2.a10/ %R 10.4310/HHA.2011.v13.n2.a10 %G en %F HHA_2011_13_2_a10