Minimum modulus, perturbation for essential ascent and descent of a closed linear relation in Hilbert spaces
Crossref DOI link: https://doi.org/10.1007/s10474-016-0683-1
Published Online: 2016-12-27
Published Print: 2017-04
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Garbouj, Z.
Skhiri, H.
License valid from 2016-12-27