@article{MAN_1963__149_161027,
     author = {E.J. TAFT},
     title = {Operator {Groups} and {Quasi-orthogonality.}},
     journal = {Mathematische Annalen},
     pages = {271--275},
     publisher = {mathdoc},
     volume = {149},
     year = {1963},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MAN_1963__149_161027/}
}