@article{Tertel:2013,
  author  = "E. Tertel",
  title   = "Stability of elastic-plastic sandwich conical shells with a change in the thickness of face-layers",
  journal = "Journal of Vibroengineering",
  volume  = "Vol. 15",
  number  = "iss. 2",
  pages   = "684--692",
  year    = "2013",
}