@misc{ASCFM_1982__71_20_P3_0,
     title = {Introduction},
     journal = {Annales scientifiques de l'Universit\'e de Clermont. Math\'ematiques},
     pages = {3--3},
     publisher = {UER de Sciences exactes et naturelles de l'Universit\'e de Clermont},
     volume = {71},
     number = {20},
     year = {1982},
     language = {fr},
     url = {http://www.numdam.org/item/ASCFM_1982__71_20_P3_0/}
}