@article{etna_vol44_pp639-659,
  author  = {Puthan Veedu Viswanathan and Arya Kumar Bedabrata Chand},
  title   = {Monotone-Comonotone approximation by fractal cubic splines and polynomials},
  journal = {Electron. Trans. Numer. Anal.},
  volume  = {44},
  year    = {2015},
  pages   = {639--659},
}