@Article{ 
  lewmorpak08a,
  author = { Lewicka, Marta and Mora, Maria Giovanna and Pakzad, Mohammad Reza },
  title = { A nonlinear theory for shells with slowly varying thickness },
  journal = { C. R. Acad. Sci. Paris, Sér. I },
  year = { 2009 },
  volume = { 347 },
  pages = { 211-216 },
  URL = { http://cvgmt.sns.it/paper/132/ },
  note = { cvgmt preprint}
}