Tonelli, Leonida L’estremo assoluto degli integrali doppi. (Italian) Zbl 0006.11805 Ann. Sc. Norm. Super. Pisa, II. Ser. 2, 89-130 (1933). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 8 Documents Keywords:variational calculus PDF BibTeX XML Cite \textit{L. Tonelli}, Ann. Sc. Norm. Super. Pisa, II. Ser. 2, 89--130 (1933; Zbl 0006.11805) Full Text: Numdam EuDML OpenURL