Golubeva, V. A. Differentialgleichungen für das Feynmansche Integral eines eigentlich energetischen Diagramms. (Russian) Zbl 0268.35017 Differ. Uravn. 9, 1298-1309 (1973). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 Documents MSC: 35G05 Linear higher-order PDEs 35A99 General topics in partial differential equations PDFBibTeX XMLCite \textit{V. A. Golubeva}, Differ. Uravn. 9, 1298--1309 (1973; Zbl 0268.35017)