@article{1183530203,
author = {Corner, A. L. S.},
title = {Additive categories and a theorem of W. G. Leavitt},
journal = {Bull. Amer. Math. Soc.},
volume = {75},
number = {5},
year = {1969},
pages = { 78-82},
language = {en},
url = {http://dml.mathdoc.fr/item/1183530203}
}
Corner, A. L. S. Additive categories and a theorem of W. G. Leavitt. Bull. Amer. Math. Soc., Tome 75 (1969) no. 5, pp. 78-82. http://gdmltest.u-ga.fr/item/1183530203/