Kobb, G. On the maxima and minima of double integrals. (Sur les maxima et les minima des intégrales doubles.) (French) JFM 24.0337.02 Acta Math. XVI, 65-140 (1892). Reviewer: Schafheitlin, Dr. (Charlottenburg) MSC: 49K10 PDFBibTeX XMLCite \textit{G. Kobb}, Acta Math. 16, 65--140 (1892; JFM 24.0337.02) Full Text: DOI
Culverwell, E. P. Researches in the calculus of variations. (English) JFM 24.0337.01 Lond. M. S. Proc. XXIII, 241-265 (1892). Reviewer: Schafheitlin, Dr. (Charlottenburg) MSC: 49K05 PDFBibTeX XMLCite \textit{E. P. Culverwell}, Proc. Lond. Math. Soc. 23, 241--265 (1892; JFM 24.0337.01) Full Text: DOI
Ermakov, W. P. Calculus of variations in a new presentation. (Variationsrechnung in neuer Darstellungsweise.) (Russian) JFM 24.0336.02 Mosk. Math. Samml. XVI. 369-414 (1892). Reviewer: Sintzow, Dr. (Kasan) MSC: 49K05 PDFBibTeX XML