@article{DOCMA_2010__S4__a1,
     author = {Voevodsky, Vladimir},
     title = {Cancellation theorem},
     journal = {Documenta mathematica},
     pages = {671--685},
     publisher = {mathdoc},
     volume = {Andrei A. Suslin's Sixtieth Birthday},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_2010__S4__a1/}
}