@article{10_4153_CMB_2001_046_4,
     author = {Kahl, Thomas},
     title = {LS-cat\'egorie alg\'ebrique et attachement de cellules},
     journal = {Canadian mathematical bulletin},
     pages = {459--468},
     year = {2001},
     volume = {44},
     number = {4},
     doi = {10.4153/CMB-2001-046-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2001-046-4/}
}