Low-dimensional cohomology for categorical groups
Cahiers de Topologie et Géométrie Différentielle Catégoriques, Tome 44 (2003) no. 4, pp. 247-280.
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     author = {Garz\'on, B. A. R. and del Rio, A.},
     title = {Low-dimensional cohomology for categorical groups},
     journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques},
     pages = {247--280},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {44},
     number = {4},
     year = {2003},
     mrnumber = {2030048},
     zbl = {1042.18006},
     language = {en},
     url = {http://www.numdam.org/item/CTGDC_2003__44_4_247_0/}
}
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Garzón, B. A. R.; del Rio, A. Low-dimensional cohomology for categorical groups. Cahiers de Topologie et Géométrie Différentielle Catégoriques, Tome 44 (2003) no. 4, pp. 247-280. http://www.numdam.org/item/CTGDC_2003__44_4_247_0/

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