%0 Journal Article %A I. Yu. Selivanova %T Stability and bifurcation of equilibrium positions of a pendulum with a cavity containing fluid %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1998 %P 71-73 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1998_1_a18/ %G ru %F VMUMM_1998_1_a18