@article{CRMATH_2013__351_21-22_813_0,
     author = {Berkson, Earl},
     title = {Marcinkiewicz \protect\emph{r}-classes and {Fourier} series expansions of operator ergodic {Stieltjes} convolutions},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {813--815},
     publisher = {Elsevier},
     volume = {351},
     number = {21-22},
     year = {2013},
     doi = {10.1016/j.crma.2013.10.017},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2013.10.017/}
}