%0 Journal Article
%A È. V. Gaushus
%T Bifurcation theory of point transformations
%J Doklady Akademii Nauk
%D 1970
%P 43-46
%V 191
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1970_191_1_a11/
%G ru
%F DAN_1970_191_1_a11