TY - JOUR AU - Andrew Hassell AU - Luc Hillairet TI - Ergodic billiards that are not quantum unique ergodic (with an appendix by Andrew Hassell and Luc Hillairet) JO - Annals of mathematics PY - 2010 SP - 605 EP - 618 VL - 171 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4007/annals.2010.171.605/ DO - 10.4007/annals.2010.171.605 LA - en ID - 10_4007_annals_2010_171_605 ER -