Olaf Steinbach. 2 projection in fractional Sobolev spaces. Numerische Mathematik, 88(2):367-379, 2001. [doi]
@article{Steinbach01-1, title = {2 projection in fractional Sobolev spaces}, author = {Olaf Steinbach}, year = {2001}, doi = {10.1007/PL00005449}, url = {http://dx.doi.org/10.1007/PL00005449}, researchr = {https://researchr.org/publication/Steinbach01-1}, cites = {0}, citedby = {0}, journal = {Numerische Mathematik}, volume = {88}, number = {2}, pages = {367-379}, }