@article{TW09,
  author = {{S}ickel, Winfried and {U}llrich, Tino},
  title = {Tensor products of {S}obolev-{B}esov spaces and
		  applications to approximation from the hyperbolic cross},
  journal = {{J}ournal of {A}pproximation {T}heory},
  volume = {161},
  pages = {748-786},
  year = {2009},
  annote = {journal},
  pdf = {https://www.tu-chemnitz.de/mathematik/ang_analysis/Publications/TW09.pdf}
}