@article{10_4064_sm_57_3_285_296,
     author = {C. Calder\'on and J. Lewis},
     title = {Maxis smoothing operators and some {Orlicz} classes},
     journal = {Studia Mathematica},
     pages = {285--296},
     publisher = {mathdoc},
     volume = {57},
     number = {3},
     year = {1976},
     doi = {10.4064/sm-57-3-285-296},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-57-3-285-296/}
}