@article{10_4064_sm_38_1_43_49,
     author = {William Ruckle},
     title = {Diagonals of operators},
     journal = {Studia Mathematica},
     pages = {43--49},
     publisher = {mathdoc},
     volume = {38},
     number = {1},
     year = {1970},
     doi = {10.4064/sm-38-1-43-49},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-38-1-43-49/}
}