@article{10_4153_CMB_1982_051_6,
     author = {Swift, Robert W.},
     title = {Free {Summands} of {Stably} {Free} {Modules}},
     journal = {Canadian mathematical bulletin},
     pages = {361--362},
     year = {1982},
     volume = {25},
     number = {3},
     doi = {10.4153/CMB-1982-051-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1982-051-6/}
}