%0 Journal Article
%A G. D. Suvorov
%A G. A. Kuzik
%T Extended concept of the quasiconformality of a plane mapping and linear systems of differential equations of mixed type
%J Doklady Akademii Nauk
%D 1966
%P 280-283
%V 168
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1966_168_2_a7/
%G ru
%F DAN_1966_168_2_a7