@article{10_4064_ap_38_1_13_25,
     author = {Andrzej S{\l}adek},
     title = {Grothendieck and {Witt} groups in the reduced theory of quadratic forms},
     journal = {Annales Polonici Mathematici},
     pages = {13--25},
     publisher = {mathdoc},
     volume = {38},
     number = {1},
     year = {1980},
     doi = {10.4064/ap-38-1-13-25},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-38-1-13-25/}
}