@article{STUMA_2014__222_2_286621,
     author = {Earl Berkson},
     title = {Marcinkiewicz multipliers of higher variation and summability of operator-valued {Fourier} series},
     journal = {Studia Mathematica},
     pages = {123},
     publisher = {mathdoc},
     volume = {222},
     number = {2},
     year = {2014},
     zbl = {1322.47035},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/STUMA_2014__222_2_286621/}
}