@article{M2AN_2021__55_2_595_0,
     author = {Faustmann, Markus and Melenk, Jens Markus and Parvizi, Maryam},
     title = {On the stability of {Scott-Zhang} type operators and application to multilevel preconditioning in fractional diffusion},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {595--625},
     year = {2021},
     publisher = {EDP-Sciences},
     volume = {55},
     number = {2},
     doi = {10.1051/m2an/2020079},
     mrnumber = {4238777},
     language = {en},
     url = {https://www.numdam.org/articles/10.1051/m2an/2020079/}
}