@article{10_4064_fm_154_2_183_201,
     author = {Vladimir  Kanovei},
     title = {Two dichotomy theorems on colourability of non-analytic graphs},
     journal = {Fundamenta Mathematicae},
     pages = {183--201},
     publisher = {mathdoc},
     volume = {154},
     number = {2},
     year = {1997},
     doi = {10.4064/fm-154-2-183-201},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-154-2-183-201/}
}