ε∇4 R 4 type invariants and their gradient expansion
Crossref DOI link: https://doi.org/10.1007/JHEP03(2015)089
Published Online: 2015-03-18
Published Print: 2015-03
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Bossard, Guillaume
Verschinin, Valentin