@article{MZ_1971__122_171602,
     author = {Ren\'e Lavendhomme},
     title = {Alg\`ebre cat\'egorique relative. {II:} {Limites} relatives.},
     journal = {Mathematische Zeitschrift},
     pages = {275--284},
     publisher = {mathdoc},
     volume = {122},
     year = {1971},
     zbl = {0224.18004},
     url = {http://geodesic.mathdoc.fr/item/MZ_1971__122_171602/}
}