TY - JOUR AU - SUN, ZONGLIANG TI - ON LENGTH DISTORTIONS WITH RESPECT TO QUADRATIC DIFFERENTIAL METRICS JO - Glasgow mathematical journal PY - 2014 SP - 681 EP - 689 VL - 56 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.1017/S001708951400010X/ DO - 10.1017/S001708951400010X ID - 10_1017_S001708951400010X ER -