@article{10_4064_cm_28_2_247_250,
     author = {R. Kaufman},
     title = {A {Kronecker} theorem in functional analysis},
     journal = {Colloquium Mathematicum},
     pages = {247--250},
     publisher = {mathdoc},
     volume = {28},
     number = {2},
     year = {1973},
     doi = {10.4064/cm-28-2-247-250},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-28-2-247-250/}
}