Kozhevnikov, A. N. Spektralprobleme für Pseudodifferentialsysteme, die nach Douglis- Nirenberg elliptisch sind, und ihre Anwendungen. (Russian) Zbl 0278.35078 Mat. Sb., N. Ser. 92(134), 60-88 (1973). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 5 Documents MSC: 35S05 Pseudodifferential operators as generalizations of partial differential operators 35J30 Higher-order elliptic equations 35P05 General topics in linear spectral theory for PDEs PDF BibTeX XML Cite \textit{A. N. Kozhevnikov}, Mat. Sb., Nov. Ser. 92(134), 60--88 (1973; Zbl 0278.35078) Full Text: EuDML OpenURL