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Translated from Itogi Nauki i Tekhniki, Seriya Sovremennaya Matematika i Ee Prilozheniya. Tematicheskie Obzory. Vol. 63, Algebra-13, 1999
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Makhnev, A.A. Partial geometries, their extensions, and related graphs. J Math Sci 102, 4009–4017 (2000). https://doi.org/10.1007/BF02673877
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DOI: https://doi.org/10.1007/BF02673877