%0 Journal Article %A Pierre Ladevèze %T Upper error bounds on calculated outputs of interest for linear and nonlinear structural problems %J Comptes Rendus. Mécanique %D 2006 %P 399-407 %V 334 %N 7 %I Elsevier %R 10.1016/j.crme.2006.04.004 %G en %F CRMECA_2006__334_7_399_0