TY - JOUR AU - Christos A. Athanasiadis TI - Power sum expansion of chromatic quasisymmetric functions JO - The electronic journal of combinatorics PY - 2015 VL - 22 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.37236/4761/ DO - 10.37236/4761 ID - 10_37236_4761 ER -