TY - JOUR AU - Han Wang AU - Zhi-Wei Sun TI - Proof of a conjecture involving derangements and roots of unity JO - The electronic journal of combinatorics PY - 2023 VL - 30 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.37236/11377/ DO - 10.37236/11377 ID - 10_37236_11377 ER -