@article{SDPP_1972-1973__14_1_A1_0,
     author = {Lagrange, Jean},
     title = {D\'ecomposition d'un entier en somme de carr\'es et fonction multiplicative},
     journal = {S\'eminaire Delange-Pisot-Poitou. Th\'eorie des nombres},
     note = {talk:1},
     pages = {1--5},
     publisher = {Secr\'etariat math\'ematique},
     volume = {14},
     number = {1},
     year = {1972-1973},
     mrnumber = {404181},
     zbl = {0319.10058},
     language = {fr},
     url = {http://www.numdam.org/item/SDPP_1972-1973__14_1_A1_0/}
}