p-adic Whittaker groups
Groupe de travail d'analyse ultramétrique, Volume 6  (1978-1979), Talk no. 15, 6 p. 
@article{GAU_1978-1979__6__A9_0,
     author = {Van der Put, Marius},
     title = {$p$-adic Whittaker groups},
     journal = {Groupe de travail d'analyse ultram\'etrique},
     publisher = {Secr\'etariat math\'ematique},
     volume = {6},
     year = {1978-1979},
     note = {talk:15},
     zbl = {0444.14020},
     language = {en},
     url = {http://www.numdam.org/item/GAU_1978-1979__6__A9_0}
}

Van der Put, Marius. $p$-adic Whittaker groups. Groupe de travail d'analyse ultramétrique, Volume 6 (1978-1979) , Talk no. 15, 6 p. http://www.numdam.org/item/GAU_1978-1979__6__A9_0/

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