TY - JOUR AU - L. N. Romakina TI - Finite closed 5-loops of extended hyperbolic plane JO - Izvestiya of Saratov University. Mathematics. Mechanics. Informatics PY - 2011 SP - 38 EP - 49 VL - 11 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ISU_2011_11_1_a5/ LA - ru ID - ISU_2011_11_1_a5 ER -