@article{AFST_1963_4_27__P1_0,
     author = {R. Desq},
     title = {Relations d'\'equivalence principales en th\'eorie des demi-groupes},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {1--149},
     publisher = {\'Edouard Privat, Libraire-\'Editeur},
     address = {Toulouse},
     volume = {4e s{\'e}rie, 27},
     year = {1963},
     zbl = {0141.01702},
     mrnumber = {180610},
     language = {fr},
     url = {https://afst.centre-mersenne.org/item/AFST_1963_4_27__P1_0/}
}