TY  - JOUR
AU  - L. N. Romakina
TI  - Parabolic parallelograms of the plane~$\widehat H$
JO  - Izvestiya of Saratov University. Mathematics. Mechanics. Informatics
PY  - 2014
SP  - 20
EP  - 28
VL  - 14
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ISU_2014_14_1_a2/
LA  - ru
ID  - ISU_2014_14_1_a2
ER  -