共 5 条
[1]
Berge C., 1962, THEORIE GRAPHES SES
[2]
BIRKHOFF GD, 1913, AM J MATH, V35, P116
[3]
Heawood P.J., 1890, Q J MATH, V24, P332, DOI 10.1112/plms/s2-51.3.161
[4]
Tutte WT., 1956, T AM MATH SOC, V82, P99, DOI [10.1090/S0002-9947-1956-0081471-8, DOI 10.1090/S0002-9947-1956-0081471-8]