%0 Journal Article
%A V. V. Kozlov
%T The dynamics of systems with nonintegrable constraints. IV. Integral principles
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 1987
%P 76-83
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_1987_5_a16/
%G ru
%F VMUMM_1987_5_a16