TY - JOUR AU - Mark Pollicott TI - A note on the shrinking sector problem for surfaces of variable negative curvature JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2017 SP - 281 EP - 291 VL - 297 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_2017_297_a14/ LA - ru ID - TM_2017_297_a14 ER -