@article{ASCFM_1967__35_4_5_0,
     author = {Gandy, R. O.},
     title = {General recursive functionals of finite type and hierarchies of functions},
     journal = {Annales de la facult\'e des sciences de l'universit\'e de Clermont. Math\'ematiques},
     pages = {5--24},
     publisher = {UER de Sciences exactes et naturelles de l'Universit\'e de Clermont},
     volume = {35},
     number = {4},
     year = {1967},
     mrnumber = {276093},
     language = {en},
     url = {http://archive.numdam.org/item/ASCFM_1967__35_4_5_0/}
}