共 16 条
[1]
AARTS JM, 1962, MATH CENTRUM AMSTERD
[2]
[Anonymous], 1968, J COMBIN THEORY
[3]
On colouring the nodes of a network
[J].
PROCEEDINGS OF THE CAMBRIDGE PHILOSOPHICAL SOCIETY,
1941, 37
:194-197
[4]
Dirac G.A., 1957, P LOND MATH SOC, V3, P161
[5]
DIRAC GA, 1964, GENERALIZATIONS 5 CO, P21
[6]
DIRAC GA, 1960, MATH NACHR, V22, P51
[7]
Dirac Gabriel A., 1952, J LOND MATH SOC, V27, P85, DOI 10.1112/jlms/s1-27.1.85
[8]
ON CHROMATIC NUMBER OF GRAPHS AND SET-SYSTEMS
[J].
ACTA MATHEMATICA ACADEMIAE SCIENTIARUM HUNGARICAE,
1966, 17 (1-2)
:61-&
[9]
FINCK HJ, 1966, WISS Z TECHN HOCHSCH, V12, P243
[10]
GALLAI T, 1963, MATH I HUNG ACAD S A, V7