@article{SDPP_1971-1972__13_2_A2_0,
     author = {Gu\'eho, Marie-France},
     title = {Quaternions et $\zeta _k(- 1)$},
     journal = {S\'eminaire Delange-Pisot-Poitou. Th\'eorie des nombres},
     note = {talk:14},
     pages = {1--7},
     publisher = {Secr\'etariat math\'ematique},
     volume = {13},
     number = {2},
     year = {1971-1972},
     zbl = {0349.12010},
     language = {fr},
     url = {http://www.numdam.org/item/SDPP_1971-1972__13_2_A2_0/}
}