Geodesic
On the Galois group of maximal $\ell$-extention with fixed ramification of the rational number field
Zapiski Nauchnykh Seminarov POMI, Analytical theory of numbers and theory of functions. Part 2, Tome 91 (1979), pp. 169-170 
V. M. Tsvetkov. On the Galois group of maximal $\ell$-extention with fixed ramification of the rational number field. Zapiski Nauchnykh Seminarov POMI, Analytical theory of numbers and theory of functions. Part 2, Tome 91 (1979), pp. 169-170. http://geodesic.mathdoc.fr/item/ZNSL_1979_91_a12/
@article{ZNSL_1979_91_a12,
     author = {V. M. Tsvetkov},
     title = {On the {Galois} group of maximal $\ell$-extention with fixed ramification of the rational number field},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {169--170},
     year = {1979},
     volume = {91},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1979_91_a12/}
}
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Voir la notice du chapitre de livre provenant de la source Math-Net.Ru

The problem of isomorphism of certain pro-$p$-groups is considered.