Quaternions et ζ k (-1)
Séminaire Delange-Pisot-Poitou. Théorie des nombres, Volume 13 (1971-1972) no. 2, Talk no. 14, 7 p. 
@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},
     publisher = {Secr\'etariat math\'ematique},
     volume = {13},
     number = {2},
     year = {1971-1972},
     note = {talk:14},
     zbl = {0349.12010},
     language = {fr},
     url = {http://www.numdam.org/item/SDPP_1971-1972__13_2_A2_0}
}

Guého, Marie-France. Quaternions et $\zeta _k(- 1)$. Séminaire Delange-Pisot-Poitou. Théorie des nombres, Volume 13 (1971-1972) no. 2, Talk no. 14, 7 p. http://www.numdam.org/item/SDPP_1971-1972__13_2_A2_0/

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