中国科学院数学与系统科学研究院期刊网
The S~2NS Digraphs and the Cycle Linear System of a Digraph
Jian Guo QIAN , Sheng Jjun MIAO
The S~2NS Digraphs and the Cycle Linear System of a Digraph
Jian Guo QIAN , Sheng Jjun MIAO
应用数学学报(英文版) . 2002, (2): 333 -340 .