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"Infinite digraphs isomorphic with their line digraphs."
Lowell W. Beineke, Robert L. Hemminger (1976)
- Lowell W. Beineke, Robert L. Hemminger:
Infinite digraphs isomorphic with their line digraphs. J. Comb. Theory B 21(3): 245-256 (1976)
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