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@article{10_4064_fm_134_1_37_53, author = {Zhi-Wei Sun}, title = {Finite coverings of groups}, journal = {Fundamenta Mathematicae}, pages = {37--53}, publisher = {mathdoc}, volume = {134}, number = {1}, year = {1990}, doi = {10.4064/fm-134-1-37-53}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-134-1-37-53/} }
Zhi-Wei Sun. Finite coverings of groups. Fundamenta Mathematicae, Tome 134 (1990) no. 1, pp. 37-53. doi : 10.4064/fm-134-1-37-53. http://geodesic.mathdoc.fr/articles/10.4064/fm-134-1-37-53/
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