@InProceedings{Zielnica:2004,
  author  = "J. Zielnica and E. Tertel",
  title       = "Stability of elastic-plastic sandwich conical shells with unsymmetrical faces under two parametric loads",
  booktitle   = "Thin-Walled Structures : Advances in Research, Design and Manufacturing Technology : Proceedings of the Fourth International Conference",
  address     = "Loughborough, Wielka Brytania",
  publisher   = "Bristol, Institute of Physics Publishing",
  pages       = "753--760",
  year        = "2004",
}