@article{AIF_1964__14_2_89_0,
     author = {Ehresmann, Charles},
     title = {Compl\'etion des cat\'egories ordonn\'ees},
     journal = {Annales de l'Institut Fourier},
     pages = {89--144},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {14},
     number = {2},
     year = {1964},
     doi = {10.5802/aif.174},
     mrnumber = {30 #4808},
     zbl = {0241.18004},
     language = {fr},
     url = {http://www.numdam.org/articles/10.5802/aif.174/}
}