Covering morphisms of crossed complexes and of cubical omega-groupoids are closed under tensor product
Cahiers de Topologie et Géométrie Différentielle Catégoriques, Tome 52 (2011) no. 3, article no. 2, 21 p.
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     author = {Brown, Ronald and Street, Ross},
     title = {Covering morphisms of crossed complexes and of cubical omega-groupoids are closed under tensor product},
     journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques},
     eid = {2},
     pages = {188--208},
     publisher = {Andr\'ee CHARLES EHRESMANN},
     volume = {52},
     number = {3},
     year = {2011},
     mrnumber = {2866503},
     zbl = {1242.18004},
     language = {en},
     url = {http://www.numdam.org/item/CTGDC_2011__52_3_188_0/}
}
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Brown, Ronald; Street, Ross. Covering morphisms of crossed complexes and of cubical omega-groupoids are closed under tensor product. Cahiers de Topologie et Géométrie Différentielle Catégoriques, Tome 52 (2011) no. 3, article  no. 2, 21 p. http://www.numdam.org/item/CTGDC_2011__52_3_188_0/

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