@article{10_4153_CJM_1968_060_7,
     author = {Leduc, P.-Y.},
     title = {Cat\'egories {Semi-Simples} et {Cat\'egories} {Primitives}},
     journal = {Canadian journal of mathematics},
     pages = {612--628},
     year = {1968},
     volume = {20},
     number = {1},
     doi = {10.4153/CJM-1968-060-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1968-060-7/}
}