%0 Journal Article %A M. A. Tuzhilin %T Bihamilon structure and singularities of momentum mapping for Lagrange top %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2015 %P 23-27 %N 2 %U http://geodesic.mathdoc.fr/item/VMUMM_2015_2_a3/ %G ru %F VMUMM_2015_2_a3