%0 Journal Article %A Khesin, Boris %A Rosly, Alexei %T Polar Homology %J Canadian journal of mathematics %D 2003 %P 1100-1120 %V 55 %N 5 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2003-043-1/ %R 10.4153/CJM-2003-043-1 %F 10_4153_CJM_2003_043_1