%0 Journal Article
%A Bl. Dolapchiev
%T Nielsen--Zenov's equations and their application to nonholonomic systems with non-linear connections
%J Doklady Akademii Nauk
%D 1966
%P 820-822
%V 171
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1966_171_4_a15/
%G ru
%F DAN_1966_171_4_a15