Ore’s conjecture for k=4 and Grötzsch’s Theorem
Crossref DOI link: https://doi.org/10.1007/s00493-014-3020-x
Published Online: 2014-05-08
Published Print: 2014-06
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Kostochka, Alexandr
Yancey, Matthew
Text and Data Mining valid from 2014-05-08