@article{MAN_1974__212_182734,
     author = {Hermann K\"onig},
     title = {Grenzordnungen von {Operatorenidealen} {(I).}},
     journal = {Mathematische Annalen},
     pages = {51--64},
     year = {1974},
     volume = {212},
     zbl = {0278.47023},
     url = {http://geodesic.mathdoc.fr/item/MAN_1974__212_182734/}
}