@article{MAN_1975__218_162786,
     author = {Hermann K\"onig},
     title = {Diagonal and {Convolution} {Operators} as {Elements} of {Operator} {Ideals.}},
     journal = {Mathematische Annalen},
     pages = {97--106},
     publisher = {mathdoc},
     volume = {218},
     year = {1975},
     zbl = {0297.47019},
     url = {http://geodesic.mathdoc.fr/item/MAN_1975__218_162786/}
}