TY - GENERIC DO - 10.20944/preprints201901.0151.v1 UR - http://dx.doi.org/10.20944/preprints201901.0151.v1 TI - The Line Element Approach for the Geometry of Poincare Disk T2 - Preprints AU - Kim, Jong Ryul PY - 2019 DA - 2019/01/15 PB - Preprints