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"Richardson's theorem in quasi-transitive and pre-transitive digraphs."
Hortensia Galeana-Sánchez, Rocío Sánchez-López (2020)
- Hortensia Galeana-Sánchez, Rocío Sánchez-López:
Richardson's theorem in quasi-transitive and pre-transitive digraphs. Graphs Comb. 36(4): 1247-1261 (2020)
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