Dezin, A. A. Über schwache und starke Erweiterungen von Differentialoperationen. (Russian) Zbl 0407.47026 Mat. Zametki 24, 687-698 (1978). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 Reviews MSC: 47F05 General theory of partial differential operators (should also be assigned at least one other classification number in Section 47-XX) 47E05 General theory of ordinary differential operators (should also be assigned at least one other classification number in Section 47-XX) 35G15 Boundary value problems for linear higher-order PDEs 34B05 Linear boundary value problems for ordinary differential equations Keywords:Extensions of Partial Differential Operators PDF BibTeX XML Cite \textit{A. A. Dezin}, Mat. Zametki 24, 687--698 (1978; Zbl 0407.47026)