Gamkrelidze, R. V.; Haratisvili, G. L. Die Theorie der ersten Variation in Extremalproblemen. (Russian) Zbl 0181.11903 Soobshch. Akad. Nauk Gruz. SSR 46, 27-31 (1967). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Keywords:variational calculus PDFBibTeX XMLCite \textit{R. V. Gamkrelidze} and \textit{G. L. Haratisvili}, Soobshch. Akad. Nauk Gruz. SSR 46, 27--31 (1967; Zbl 0181.11903)