TY - JOUR AU - Richard Kenyon TI - Rigidity of planar tilings. JO - Inventiones mathematicae PY - 1992 SP - 637 EP - 652 VL - 107 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM_1992__107_1_143981/ ID - IM_1992__107_1_143981 ER -