The three-cross theorem and the six-cross theorem of Pálfy and Szabó
Crossref DOI link: https://doi.org/10.1007/s00012-017-0473-9
Published Online: 2017-11-06
Published Print: 2017-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Penttila, Tim
License valid from 2017-11-06