Phantom Envelopes and $$\mathrm{Ext}$$-Phantom Covers of Modules
Crossref DOI link: https://doi.org/10.1007/s41980-019-00268-6
Published Online: 2019-07-03
Published Print: 2020-04
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Mao, Lixin
Funding for this research was provided by:
Natural Science Foundation of China (11771202)
Text and Data Mining valid from 2019-07-03
Version of Record valid from 2019-07-03
Article History
Received: 20 February 2019
Revised: 28 May 2019
Accepted: 28 June 2019
First Online: 3 July 2019