Journal of graph theory. 1979;3(3):291-294. doi: 10.1002/jgt.3190030312 Q21.02025
Full 4-colorings of 4-regular maps
DOI: 10.1002/jgt.3190030312
摘要
Journal of graph theory. 1979;3(3):291-294. doi: 10.1002/jgt.3190030312 Q21.02025
DOI: 10.1002/jgt.3190030312
摘要