%0 Journal Article
%A Paulo R. Rodrigues
%A Manuel de Leon de
%T Comments On The Canonical Formalism Of Time-Dependent Higher Order Lagrangians.
%J Revista colombiana de matematicas
%D 1987
%P 47-64
%V 21
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RCM_1987__21_1_181779/
%F RCM_1987__21_1_181779