Matsenis, Ionas On the work ”On the regularity of boundary conditions”. (Russian) Zbl 0494.34007 Differ. Uravn. Primen. 27, 51-55 (1980). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document MSC: 34B05 Linear boundary value problems for ordinary differential equations 47E05 General theory of ordinary differential operators 34G99 Differential equations in abstract spaces Keywords:Hilbert space; linear differential equations; boundary value problem; fundamental operator Citations:Zbl 0402.34012 PDFBibTeX XMLCite \textit{I. Matsenis}, Differ. Uravn. Primen. 27, 51--55 (1980; Zbl 0494.34007)