%0 Journal Article %A Valery V. Kozlov %T Principles of dynamics and servo-constraints %J Russian journal of nonlinear dynamics %D 2015 %P 169-178 %V 11 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ND_2015_11_1_a8/ %G ru %F ND_2015_11_1_a8