The existence of eigenvalues for operators acting in L 2(R n )
Crossref DOI link: https://doi.org/10.3103/S1066369X17070040
Published Online: 2017-05-20
Published Print: 2017-07
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Mokeichev, V. S.
License valid from 2017-05-20