Mikhail O. Katanaev, “Spin distribution for the ’t Hooft–Polyakov monopole in the geometric theory of defects”, Universe, 7:8 (2021), 256–7
M. O. Katanaev, “Disclinations in the Geometric Theory of Defects”, Proc. Steklov Inst. Math., 313 (2021), 78–98
V. V. Zharinov, “Bäcklund transformations”, Theoret. and Math. Phys., 189:3 (2016), 1681–1692