@article{SDPP_1971-1972__13_1_A8_0,
     author = {Ellison, William G.},
     title = {Variations sur un th\`eme de Carl Runge},
     journal = {S\'eminaire Delange-Pisot-Poitou. Th\'eorie des nombres},
     note = {talk:9},
     publisher = {Secr\'etariat math\'ematique},
     volume = {13},
     number = {1},
     year = {1971-1972},
     zbl = {0319.10023},
     mrnumber = {419348},
     language = {fr},
     url = {www.numdam.org/item/SDPP_1971-1972__13_1_A8_0/}
}

Ellison, William G. Variations sur un thème de Carl Runge. Séminaire Delange-Pisot-Poitou. Théorie des nombres, Tome 13 (1971-1972) no. 1, Exposé no. 9, 4 p. http://www.numdam.org/item/SDPP_1971-1972__13_1_A8_0/