%0 Journal Article %A Ahmed Mousa Khalifa %T Exact solutions for the vibration of circumferentially stepped orthotropic circular cylindrical shells %J Comptes Rendus. Mécanique %D 2011 %P 708-718 %V 339 %N 11 %I Elsevier %R 10.1016/j.crme.2011.08.001 %G en %F CRMECA_2011__339_11_708_0