On the tallest column

Youri V. Egorov

Comptes Rendus. Mécanique, Volume 338 (2010) p. 266-270

On the optimization of higher eigenvalues

Youri V. Egorov

Comptes Rendus. Mécanique, Volume 332 (2004) p. 673-678

On the Lagrange problem about the optimal form for circular hollow columns

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Comptes Rendus. Mécanique, Volume 331 (2003) p. 699-704