共 17 条
[13]
Roberts F. S., 1978, Theory and applications of graphs, P477
[14]
ROBERTS FS, 1976, THEOR APPL GRAPHS P, P477
[15]
SANO Y, 2009, C NUMERANTI, V198, P211
[16]
Zhao YQ, 2010, ARS COMBINATORIA, V97, P457