@article{IM_1976__36_142417,
     author = {Daniel Quillen},
     title = {Porjective {Modules} over {Polynomial} {Rings.}},
     journal = {Inventiones mathematicae},
     pages = {167--172},
     publisher = {mathdoc},
     volume = {36},
     year = {1976},
     zbl = {0337.13011},
     url = {http://geodesic.mathdoc.fr/item/IM_1976__36_142417/}
}