@article {1903.06155, archivePrefix = {arXiv}, eprint = {1903.06155}, primaryClass = {hep-ph}, author = {J. Blümlein and A. De Freitas and C. G. Raab and K. Schönwald}, title = {The unpolarized two-loop massive pure singlet Wilson coefficients for deep-inelastic scattering}, year = {2019}, url = {http://arxiv.org/abs/1903.06155} }