@article{SD_1971-1972__25_2_A13_0,
     author = {Steinfeld, Ott\'o},
     title = {Sur les groupo{\"\i}des-treillis},
     journal = {S\'eminaire Albert Ch\^atelet et Paul Dubreil},
     note = {talk:J13},
     pages = {J1--J5},
     year = {1971-1972},
     publisher = {Secr\'etariat math\'ematique},
     volume = {25},
     number = {2},
     mrnumber = {393317},
     zbl = {0328.06013},
     language = {fr},
     url = {https://www.numdam.org/item/SD_1971-1972__25_2_A13_0/}
}