%0 Journal Article %A Alexander P. Ivanov %T On the variational formulation of dynamics of systems with friction %J Russian journal of nonlinear dynamics %D 2013 %P 478-498 %V 9 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/ND_2013_9_3_a5/ %G ru %F ND_2013_9_3_a5