%0 Journal Article %A V. G. Vil'ke %A I. L. Shapovalov %T Self-oscillations of two bodies in the case of nonlinear friction %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2011 %P 39-45 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2011_4_a6/ %G ru %F VMUMM_2011_4_a6