TY - JOUR AU - Mozgawa, Witold TI - Bar Billiards and Poncelet's Porism JO - Rendiconti del Seminario Matematico della Università di Padova PY - 2008 DA - 2008/// SP - 157 EP - 166 VL - 120 PB - Seminario Matematico of the University of Padua UR - http://archive.numdam.org/item/RSMUP_2008__120__157_0/ UR - https://www.ams.org/mathscinet-getitem?mr=2492656 LA - en ID - RSMUP_2008__120__157_0 ER -