The Incompleteness of S4 $${\bigoplus}$$ ⨁ S4 for the Product Space
Crossref DOI link: https://doi.org/10.1007/s11225-015-9605-4
Published Online: 2015-02-04
Published Print: 2015-02
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Kremer, Philip
Text and Data Mining valid from 2015-02-01