%0 Journal Article
%A S. E. Zhukovskiy
%A Chan Thi Ngok
%A L.-E. I. Ngomirakiza
%T On quadratic mappings properties and conditions for inverse functions existence
%J Vestnik rossijskih universitetov. Matematika
%D 2017
%P 533-538
%V 22
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VTAMU_2017_22_3_a4/
%G ru
%F VTAMU_2017_22_3_a4