eqpol.bib

@article{Ventura2015,
  author   = {Ventura, G. and Benvenuti, E.},
  title    = {Equivalent polynomials for quadrature in Heaviside function enriched elements},
  journal  = {International Journal for Numerical Methods in Engineering},
  year     = 2015,
  volume={102},
  pages={688-710},
}

@article{Ventura2006,
  author   = {Ventura, G.},
  title    = {On the elimination of quadrature subcells for discontinuous functions in the eXtended Finite-Element Method},
  journal  = {International Journal for Numerical Methods in Engineering},
  year     = 2006,
  volume   = 66,
  pages    = {761-795}
}