@article{SiUl09,
  author = {{S}ickel, {W}infried and {U}llrich, {T}ino},
  title = {{S}pline interpolation on sparse grids},
  journal = {Applicable Analysis},
  volume = {90},
  pages = {337--383},
  year = {2011},
  number = {3--4},
  pdf = {https://www.tu-chemnitz.de/mathematik/ang_analysis/Publications/SiUl10.pdf},
  annote = {Journal}
}