@article{MAN_1982__261_182874,
     author = {J.B. Wagoner},
     title = {Relative {K2} for {Powers} of an {Ideal.}},
     journal = {Mathematische Annalen},
     pages = {201--208},
     year = {1982},
     volume = {261},
     zbl = {0472.13006},
     url = {http://geodesic.mathdoc.fr/item/MAN_1982__261_182874/}
}