@article{ASCFM_1976__58_12_1_0,
     author = {Hennequin, P. L.},
     title = {Avant-propos},
     journal = {Annales scientifiques de l'Universit\'e de Clermont. Math\'ematiques},
     pages = {1--1},
     publisher = {UER de Sciences exactes et naturelles de l'Universit\'e de Clermont},
     volume = {58},
     number = {12},
     year = {1976},
     mrnumber = {391199},
     language = {fr},
     url = {http://www.numdam.org/item/ASCFM_1976__58_12_1_0/}
}