TY - JOUR AU - Shoji Yokura TI - On the uniqueness problem of bivariant Chern classes JO - Documenta mathematica PY - 2002 SP - 133 EP - 142 VL - 7 UR - http://geodesic.mathdoc.fr/articles/10.4171/dm/120/ DO - 10.4171/dm/120 ID - 10_4171_dm_120 ER -