@article{10_4171_dm_346,
     author = {Gon\c{c}alo Tabuada},
     title = {A simple criterion for extending natural transformations to higher $K$-theory},
     journal = {Documenta mathematica},
     pages = {657--668},
     year = {2011},
     volume = {16},
     doi = {10.4171/dm/346},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/346/}
}