The identities of the free product of two trivial semigroups
Crossref DOI link: https://doi.org/10.1007/s00233-016-9815-8
Published Online: 2016-07-25
Published Print: 2017-08
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Shneerson, L. M.
Volkov, M. V.
License valid from 2016-07-25