@entry{kol-pet-04-aa,
  author = {L Kolev and S Petrakieva},
  title = {Interval Raus criterion for stability analysis of linear systems with dependent coefficients in the characteristic polynomial},
  journal = {27th International Spring Seminar on ...,},
  volume = {},
  number = {},
  pages = {},
  year = 2004,
  month = ,
  doi = {},
  comment = {},
  abstract = {},
  url = {{\url{https://ieeexplore.ieee.org/abstract/document/1490392/}}},
  quotes = {... The interval extensions are also determined by using modified affine arithmetic. Two ... Then we apply the necessary simple mathematical operations 9f modified affine arithmetic (...}
}