%0 Journal Article %A Zofia Stępień %A Aleksy Tralle %T A Note on Hamiltonian Lie Group Actions and Massey Products %J Bulletin of the Polish Academy of Sciences. Mathematics %D 2004 %P 141-149 %V 52 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ba52-2-5/ %R 10.4064/ba52-2-5 %G en %F 10_4064_ba52_2_5