%0 Journal Article
%A L. N. Romakina
%T Parabolic parallelograms of the plane~$\widehat H$
%J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics
%D 2014
%P 20-28
%V 14
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ISU_2014_14_1_a2/
%G ru
%F ISU_2014_14_1_a2