Breev A.I., Ivanov D.A. «Non-commutative integration of Klein - Gordon equation on external electromagnetic fields with functional arbitrariness» // Izvestiya vuzov. Fizika 2019. №12 C.12-20
Guselnikova U.A., Obukhov V.V., Zhadyranova A., Myrzakulov K.R. «Algebras of symmetry operators of Klein-Gordon-Fock equation for groups acting transitively on two-dimensional subspaces of space-time manifold» // Izvestiya vuzov. Fizika 2021. №7 C.126-131
