@article{CM_1982__47_1_3_0,
     author = {Borho, Walter},
     title = {On the {Joseph-small} additivity principle for goldie ranks. {A} study on extensions of noetherian rings with applications to enveloping algebras},
     journal = {Compositio Mathematica},
     pages = {3--29},
     publisher = {Martinus Nijhoff Publishers},
     volume = {47},
     number = {1},
     year = {1982},
     mrnumber = {668778},
     zbl = {0502.17007},
     language = {en},
     url = {http://archive.numdam.org/item/CM_1982__47_1_3_0/}
}