TY - JOUR AU - Ping Xu AU - Lin Huiqiu AU - Longfei Fang TI - Long cycles and spectral radii in planar graphs JO - The electronic journal of combinatorics PY - 2025 VL - 32 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.37236/13075/ DO - 10.37236/13075 ID - 10_37236_13075 ER -