1. Path numbers of tournaments;Alspach;J. Combin. Theory B,1976
2. Path decompositions of digraphs;Alspach;Bull. Austral. Mat. Soc.,1974
3. Digraphs: Theory, Algorithms and Applications;Bang-Jensen,2000
4. Proof of the 1-factorization and Hamilton decomposition conjectures;Csaba;Mem. Amer. Math. Soc.,2016