1. D. D. Kiselev, “Examples of embedding problems the solutions of which are fields only,” Usp. Mat. Nauk, 68, No. 4, 181–182 (2013).
2. D. D. Kiselev and B. B. Lurie, “Ultrasolvability and singularity in the embedding problem,” Zap. Nauchn. Semin. POMI, 414, 113–126 (2013).
3. V. V. Ishkhanov, B. B. Lurie, and D. K. Faddeev, The Embedding Problem in Galois Theory [in Russian], Nauka, Moscow (1990).
4. D. D. Kiselev, “On ultrasolvability of group p-extensions of an Abelian group with the help of a cyclic kernel,” Zap. Nauchn. Semin. POMI (to appear).
5. V. V. Ishhanov and B. B. Lurie, “Universally solvable embedding problem with cyclic kernel,” Zap. Nauchn. Semin. POMI, 265, 189–197 (1999).