@article{10_4064_sm_67_1_73_84,
     author = {Peter Knopf},
     title = {Weak-type multipliers},
     journal = {Studia Mathematica},
     pages = {73--84},
     publisher = {mathdoc},
     volume = {67},
     number = {1},
     year = {1980},
     doi = {10.4064/sm-67-1-73-84},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-67-1-73-84/}
}