T. A. Shmygaleva, E. V. Shmygalev, A. I. Kupchishin, S. E. Jeleunova, and L. S. Cherikbayeva, “Mathematical modeling of radiation processes in constructional materials in ion irradiation”, Int. j. math. phys., vol. 6, no. 2, pp. 49–55, Dec. 2015.