Geodesic
On cohomology of graded group categories
Compositio Mathematica, Tome 63 (1987) no. 3, pp. 409-417.

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     author = {Ulbrich, K.-H.},
     title = {On cohomology of graded group categories},
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     number = {3},
     year = {1987},
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     zbl = {0628.18006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CM_1987__63_3_409_0/}
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Ulbrich, K.-H. On cohomology of graded group categories. Compositio Mathematica, Tome 63 (1987) no. 3, pp. 409-417. http://geodesic.mathdoc.fr/item/CM_1987__63_3_409_0/

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