@article{SD_1964-1965__18_2_A5_0,
     author = {Lallement, G\'erard},
     title = {Congruences sur les demi-groupes r\'eguliers},
     journal = {S\'eminaire Albert Ch\^atelet et Paul Dubreil},
     note = {talk:24},
     pages = {1--20},
     year = {1964-1965},
     publisher = {Secr\'etariat math\'ematique},
     volume = {18},
     number = {2},
     zbl = {0203.02001},
     language = {fr},
     url = {https://www.numdam.org/item/SD_1964-1965__18_2_A5_0/}
}