%0 Journal Article
%A Barone, F.
%A Grassini, R.
%A Mendella, G.
%T A unified approach to constrained mechanical systems as implicit differential equations
%J Annales de l'I.H.P. Physique théorique
%D 1999
%P 515-546
%V 70
%N 6
%I Gauthier-Villars
%U http://www.numdam.org/item/AIHPA_1999__70_6_515_0/
%G en
%F AIHPA_1999__70_6_515_0