Tadjbakhsh, I.; Keller, J. B. Strongest columns and isoperimetric inequalities for eigenvalues. (English) Zbl 0106.38301 J. Appl. Mech. 29, 159-164 (1962). PDFBibTeX XMLCite \textit{I. Tadjbakhsh} and \textit{J. B. Keller}, J. Appl. Mech. 29, 159--164 (1962; Zbl 0106.38301) Full Text: DOI
Tadjbakhsh, I.; Keller, J. B. Standing surface waves of finite amplitude. (English) Zbl 0173.29402 J. Fluid Mech. 8, 442-451 (1960). PDFBibTeX XMLCite \textit{I. Tadjbakhsh} and \textit{J. B. Keller}, J. Fluid Mech. 8, 442--451 (1960; Zbl 0173.29402) Full Text: DOI