1. Amusements in Mathematics;Dudeney,1917
2. Amusements in Mathematics;Dudeney,1970
3. Exact coverings of 2-paths by 4-cycles;Heinrich;J. Combin. Theory Ser. A,1987
4. M. Kobayashi and G. Nakamura, Exact coverings of 2-paths by Hamilton cycles, to appear.
5. Results on the Covering of 2-paths by Cycles;Nonay,1987