@article{M2AN_1999__33_4_695_0,
     author = {Verf\"urth, R\"udiger},
     title = {Error estimates for some quasi-interpolation operators},
     journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique},
     pages = {695--713},
     year = {1999},
     publisher = {EDP Sciences},
     volume = {33},
     number = {4},
     mrnumber = {1726480},
     zbl = {0938.65125},
     language = {en},
     url = {https://www.numdam.org/item/M2AN_1999__33_4_695_0/}
}