%0 Journal Article
%A S. E. Zhukovskiy
%A T. T. Ngok
%T Existence of inverse function in a neighbourhood of a critical value
%J Vestnik rossijskih universitetov. Matematika
%D 2019
%P 141-149
%V 24
%N 126
%U http://geodesic.mathdoc.fr/item/VTAMU_2019_24_126_a0/
%G ru
%F VTAMU_2019_24_126_a0