@article{ ainsworth1998ars,
  title = {{An adaptive refinement strategy for $hp$-finite element computations}},
  author = {Ainsworth, M. and Senior, B.},
  journal = {Applied Numerical Mathematics},
  volume = {26},
  number = {1},
  pages = {165--178},
  year = {1998},
  publisher = {Elsevier}
}