@article{SDPP_1968-1969__10_1_A8_0,
     author = {Motzkin, Elhanan},
     title = {Un invariant conforme $p$-adique},
     journal = {S\'eminaire Delange-Pisot-Poitou. Th\'eorie des nombres},
     note = {talk:8b},
     pages = {1--4},
     publisher = {Secr\'etariat math\'ematique},
     volume = {10},
     number = {1},
     year = {1968-1969},
     mrnumber = {262550},
     zbl = {0218.12016},
     language = {fr},
     url = {http://www.numdam.org/item/SDPP_1968-1969__10_1_A8_0/}
}