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"An extension of Vizing's adjacency lemma on edge chromatic critical graphs."
Sheshayya A. Choudum, K. Kayathri (1999)
- Sheshayya A. Choudum, K. Kayathri:
An extension of Vizing's adjacency lemma on edge chromatic critical graphs. Discret. Math. 206(1-3): 97-103 (1999)
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