Otto, M. (2014). Finite Groupoids, Finite Coverings and Symmetries in Finite Structures.
Cita Chicago Style (17a ed.)Otto, Martin. Finite Groupoids, Finite Coverings and Symmetries in Finite Structures. 2014.
Cita MLA (9a ed.)Otto, Martin. Finite Groupoids, Finite Coverings and Symmetries in Finite Structures. 2014.
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