TY - JOUR UR - http://doi.org/10.1007/s00454-021-00291-7 EP - 1201 TI - Perimeter Approximation of Convex Discs in the Hyperbolic Plane and on the Sphere IS - 3 SN - 0179-5376 AV - public SP - 1190 A1 - Fodor Ferenc ID - publicatio24974 Y1 - 2021/// VL - 66 JF - DISCRETE AND COMPUTATIONAL GEOMETRY ER -