Rozenblyum, G. V. Almost similarity of pseudodifferential systems on a circle. (English. Russian original) Zbl 0324.35081 Sov. Math., Dokl. 16, 959-962 (1975); translation from Dokl. Akad. Nauk SSSR 223, 569-571 (1975). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document MSC: 35S05 Pseudodifferential operators as generalizations of partial differential operators 35P20 Asymptotic distributions of eigenvalues in context of PDEs 47G30 Pseudodifferential operators 47A55 Perturbation theory of linear operators PDF BibTeX XML Cite \textit{G. V. Rozenblyum}, Sov. Math., Dokl. 16, 959--962 (1975; Zbl 0324.35081); translation from Dokl. Akad. Nauk SSSR 223, 569--571 (1975)