Naĭmark, M. A. Self-adjoint extensions of the second kind of a symmetric operator. (Russian. Abridged English version) Zbl 0025.06402 Bull. Acad. Sci. URSS, Ser. Math. 4, 53-104 (1940). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 3 ReviewsCited in 11 Documents MSC: 47-XX Operator theory Keywords:Functional analysis PDF BibTeX XML Cite \textit{M. A. Naĭmark}, Izv. Akad. Nauk SSSR, Ser. Mat. 4, 53--104 (1940; Zbl 0025.06402) OpenURL