%0 Journal Article %A L. N. Romakina %T Finite closed 5-loops of extended hyperbolic plane %J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics %D 2011 %P 38-49 %V 11 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ISU_2011_11_1_a5/ %G ru %F ISU_2011_11_1_a5