TY - JOUR AU - Niranjan Balachandran AU - Sajith Padinhatteeri TI - χ_D(G), |Aut(G)|, and a variant of the Motion Lemma JO - Ars Mathematica Contemporanea PY - 2017 SP - 89 EP - 109 VL - 12 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.848.669/ DO - 10.26493/1855-3974.848.669 LA - en ID - 10_26493_1855_3974_848_669 ER -