%0 Journal Article %A Franck Pastor %A Djimedo Kondo %T Limit analysis and lower/upper bounds to the macroscopic criterion of Drucker–Prager materials with spheroidal voids %J Comptes Rendus. Mécanique %D 2014 %P 96-105 %V 342 %N 2 %I Elsevier %R 10.1016/j.crme.2013.12.002 %G en %F CRMECA_2014__342_2_96_0