TY - JOUR AU - Witsarut Pho-On TI - Infinite unicorn paths and Gromov boundaries JO - Groups, geometry, and dynamics PY - 2017 SP - 353 EP - 370 VL - 11 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4171/ggd/399/ DO - 10.4171/ggd/399 ID - 10_4171_ggd_399 ER -