%0 Journal Article %A P. I. Topalov %T Computation of the~fine Fomenko--Zieschang invariant for the~main integrable cases of rigid body motion %J Sbornik. Mathematics %D 1996 %P 451-468 %V 187 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1996_187_3_a6/ %G en %F SM_1996_187_3_a6