Geodesic
On the embedding problem with non-Abelian kernel of order $p^4$. IV
Zapiski Nauchnykh Seminarov POMI, Problems in the theory of representations of algebras and groups. Part 3, Tome 211 (1994), pp. 120-126 
V. V. Ishkhanov; B. B. Lur'e. On the embedding problem with non-Abelian kernel of order $p^4$. IV. Zapiski Nauchnykh Seminarov POMI, Problems in the theory of representations of algebras and groups. Part 3, Tome 211 (1994), pp. 120-126. http://geodesic.mathdoc.fr/item/ZNSL_1994_211_a7/
@article{ZNSL_1994_211_a7,
     author = {V. V. Ishkhanov and B. B. Lur'e},
     title = {On the embedding problem with {non-Abelian} kernel of order~$p^4${.~IV}},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {120--126},
     year = {1994},
     volume = {211},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1994_211_a7/}
}
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Voir la notice du chapitre de livre provenant de la source Math-Net.Ru

In the present paper, the embedding problem is considered for number fields with $p$-groups whose kernel is either of two groups with two generators $\alpha$ and $\beta$ and with the following relations: (1) $\alpha^p=1$, $\beta^p=1$, $[\alpha,\beta,\beta]=1$, $[\alpha,\beta,\alpha,\alpha]=1$ or (2) $\alpha^p=[\alpha,\beta,\alpha]$, $\beta^p=1$, $[\alpha,\beta,\beta]=1$. It is shown that for the solvability of the original embedding problem it is necessary and sufficient to have the solvability of the associated Abelian and local problems for all completions of the base fields. Bibliography: 7 titles.