@article{PORMA_1975__34_4_115262,
     author = {Myers, Donald E.},
     title = {A direct sum representation},
     journal = {Portugaliae mathematica},
     pages = {189--190},
     publisher = {mathdoc},
     volume = {34},
     number = {4},
     year = {1975},
     mrnumber = {0407306},
     zbl = {0326.32004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1975__34_4_115262/}
}