Filippov, V. M.; Skorokhodov, A. N. Prinzip des Minimums des quadratischen Funktionals für das Randwertproblem der Wärmeleitung. (Russian) Zbl 0359.35031 Differ. Uravn. 13, 1434-1445 (1977). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Review MSC: 35K05 Heat equation 35B45 A priori estimates in context of PDEs 35A15 Variational methods applied to PDEs 49K20 Optimality conditions for problems involving partial differential equations PDF BibTeX XML Cite \textit{V. M. Filippov} and \textit{A. N. Skorokhodov}, Differ. Uravn. 13, 1434--1445 (1977; Zbl 0359.35031)