@article{DOCMA_2002__7__a14,
     author = {Yokura, Shoji},
     title = {On the uniqueness problem of bivariant {Chern} classes},
     journal = {Documenta mathematica},
     pages = {133--142},
     publisher = {mathdoc},
     volume = {7},
     year = {2002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_2002__7__a14/}
}