TY - JOUR AU - Salvai, Marcos TI - On the geometry at infinity of the universal covering of $Sl(2, \mathbb {R})$ JO - Rendiconti del Seminario Matematico della Università di Padova PY - 2000 DA - 2000/// SP - 91 EP - 108 VL - 104 PB - Seminario Matematico of the University of Padua UR - http://archive.numdam.org/item/RSMUP_2000__104__91_0/ UR - https://zbmath.org/?q=an%3A1025.53020 UR - https://www.ams.org/mathscinet-getitem?mr=1809352 LA - en ID - RSMUP_2000__104__91_0 ER -