@article{MAN_1983__262_163708,
     author = {J\"org Eschmeier},
     title = {Equivalence of {Decomposability} and {2-Decomposability} for {Several} {Commuting} {Operators.}},
     journal = {Mathematische Annalen},
     pages = {305--312},
     year = {1983},
     volume = {262},
     zbl = {0513.47022},
     url = {http://geodesic.mathdoc.fr/item/MAN_1983__262_163708/}
}