1. A Text Book of Graph Theory;Balakrishnan,2012
2. A short proof of Kneser’s conjecture;Bárány;J. Combin. Theory Ser. A,1978
3. Kneser graphs are Hamiltonian for n≥3k;Chen;J. Combin. Theory Ser. B,2000
4. A new short proof of Kneser’s conjecture;Greene;Amer. Math. Monthly,2002
5. Aufgabe 360;Kneser;Jahresber. Deutsch. Math.-Verein., 2, Abteilung,1995