%0 Journal Article %A G. Haghighatdoost %A A. A. Oshemkov %T The topology of Liouville foliation for the Sokolov integrable case on the Lie algebra so(4) %J Sbornik. Mathematics %D 2009 %P 899-921 %V 200 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2009_200_6_a4/ %G en %F SM_2009_200_6_a4