@article{MZ_1961__75_169925,
     author = {Kenneth G. Wolfson},
     title = {Baer subrings of the ring of linear transformations.},
     journal = {Mathematische Zeitschrift},
     pages = {328--332},
     publisher = {mathdoc},
     volume = {75},
     year = {1961},
     zbl = {0109.02504},
     url = {http://geodesic.mathdoc.fr/item/MZ_1961__75_169925/}
}