Some $$\mathbf {Z}_2$$ Z 2 -invariant variables: constructed of the scalars dilaton and axion
Crossref DOI link: https://doi.org/10.1140/epjc/s10052-014-2846-y
Published Online: 2014-04-25
Published Print: 2014-04
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Kamani, Davoud
License valid from 2014-04-01