@article{touze:hal-00830693,
  TITLE = {{Hardening/softening behaviour in non-linear oscillations of structural systems using non-linear normal modes}},
  AUTHOR = {Touz{\'e}, Cyril and Thomas, Olivier and Chaigne, Antoine},
  URL = {https://ensta-paris.hal.science/hal-00830693},
  JOURNAL = {{Journal of Sound and Vibration}},
  PUBLISHER = {{Elsevier}},
  VOLUME = {273},
  NUMBER = {1-2},
  PAGES = {77-101},
  YEAR = {2004},
  DOI = {10.1016/j.jsv.2003.04.005},
  PDF = {https://ensta-paris.hal.science/hal-00830693v1/file/CTOTAC_JSV2004.pdf},
  HAL_ID = {hal-00830693},
  HAL_VERSION = {v1},
}