Neumark, M. A complement to the paper “On the square of a closed symmetric operator”. (English) Zbl 0023.39602 C. R. (Dokl.) Acad. Sci. URSS, n. Ser. 28, 207-208 (1940). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 4 Documents MSC: 47-XX Operator theory Keywords:Functional analysis, function spaces PDF BibTeX XML Cite \textit{M. Neumark}, C. R. (Dokl.) Acad. Sci. URSS, n. Ser. 28, 207--208 (1940; Zbl 0023.39602) OpenURL