On the nonexistence of even 4-critical graphs of order 12
Diskretnaya Matematika, Tome 2 (1990) no. 4, pp. 47-59
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@article{DM_1990_2_4_a4,
author = {I. A. Muzychuk},
title = {On the nonexistence of even 4-critical graphs of order~12},
journal = {Diskretnaya Matematika},
pages = {47--59},
year = {1990},
volume = {2},
number = {4},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DM_1990_2_4_a4/}
}
I. A. Muzychuk. On the nonexistence of even 4-critical graphs of order 12. Diskretnaya Matematika, Tome 2 (1990) no. 4, pp. 47-59. http://geodesic.mathdoc.fr/item/DM_1990_2_4_a4/