@article{IM2_1975_9_4_a2,
     author = {E. A. Nisnevich},
     title = {Nonabelian cohomology and finiteness theorems for integral orbits of affine group schemes},
     journal = {Izvestiya. Mathematics },
     pages = {727--749},
     publisher = {mathdoc},
     volume = {9},
     number = {4},
     year = {1975},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1975_9_4_a2/}
}