@article{M2AN_1967__1_4_39_0,
     author = {Trehel, M.},
     title = {\'Etude des treillis de catalogues},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {39--49},
     publisher = {Dunod},
     address = {Paris},
     volume = {1},
     number = {4},
     year = {1967},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/M2AN_1967__1_4_39_0/}
}