SIAM Journal on Discrete Mathematics. 1995;8(2):208-222. doi: 10.1137/s0895480192239992 Q21.02025
The Existence of Homomorphisms to Oriented Cycles
到有向圈的同态的存在性
DOI: 10.1137/s0895480192239992
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SIAM Journal on Discrete Mathematics. 1995;8(2):208-222. doi: 10.1137/s0895480192239992 Q21.02025
DOI: 10.1137/s0895480192239992
摘要 查看摘要