Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
Daniel Král’ and Robin Thomas,Coloring even-faced graphs in the torus and the Klein bottle,Combinatorica,0209-9683,Springer Science and Business Media LLC,2008-05,28,3,325-341,https://cir.nii.ac.jp/crid/1363670319651671168,https://doi.org/10.1007/s00493-008-2315-z