An extension of a Y. C. Yang theorem
Crossref DOI link: https://doi.org/10.1007/s00500-017-2578-7
Published Online: 2017-04-03
Published Print: 2017-05
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Vaida, Dragoş
License valid from 2017-04-03