共 11 条
[3]
BOUCHET A, 1982, J COMBIN THEORY B, V32
[4]
BOUCHET A, 1978, LECTURE NOTES MATH, V642
[5]
BOUCHET A, 1980, 4TH P INT C THEOR AP
[7]
Massey W. S., 1977, ALGEBRAIC TOPOLOGY I
[8]
Ringel G, 1974, MAP COLOR THEOREM
[9]
Spanier E, 1966, ALGEBRAIC TOPOLOGY
[10]
A CONTRIBUTION TO THE THEORY OF CHROMATIC POLYNOMIALS
[J].
CANADIAN JOURNAL OF MATHEMATICS-JOURNAL CANADIEN DE MATHEMATIQUES,
1954, 6 (01)
:80-91