An answer to an open problem of Jachymski
Crossref DOI link: https://doi.org/10.1007/s11784-017-0456-7
Published Online: 2017-06-17
Published Print: 2017-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Berzig, Maher
Rus, Cristina Olimpia
Rus, Mircea Dan
License valid from 2017-06-17