@entry{rum-kas-15-aa-impl,
  author = {SM Rump and M Kashiwagi},
  title = {Implementation and improvements of affine arithmetic},
  journal = {Nonlinear Theory and Its Applications ...,},
  volume = {},
  number = {},
  pages = {},
  year = 2015,
  month = ,
  doi = {},
  comment = {},
  abstract = {},
  url = {{\url{https://www.jstage.jst.go.jp/article/nolta/6/3/6_341/_article/-char/ja/}}},
  quotes = {... There is a vast literature on affine arithmetic, see [3] and ... In this paper we discuss some improvements of affine arithmetic ... In our affine arithmetic the result can never be worse than ...}
}