@article{MAN_1978__234_163122,
     author = {Daniel S. Grayson},
     title = {Projections, {Cycles,} and {Algebraic} {K-Theory.}},
     journal = {Mathematische Annalen},
     pages = {69--72},
     publisher = {mathdoc},
     volume = {234},
     year = {1978},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MAN_1978__234_163122/}
}