TY - JOUR AU - Harlander, Jens AU - Rosebrock, Stephan TI - Relative vertex asphericity JO - Canadian mathematical bulletin PY - 2021 SP - 292 EP - 305 VL - 64 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/S0008439520000454/ DO - 10.4153/S0008439520000454 ID - 10_4153_S0008439520000454 ER -