Geodesic
Medial idempotent groupoids. I
Czechoslovak Mathematical Journal, Tome 41 (1991) no. 2, pp. 249-259
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DOI : 10.21136/CMJ.1991.102456
Classification : 20N02 
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Dudek, Józef. Medial idempotent groupoids. I. Czechoslovak Mathematical Journal, Tome 41 (1991) no. 2, pp. 249-259. doi: 10.21136/CMJ.1991.102456

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