1. A. Z. Dolginov and I. N. Toptygin, “Multiple scattering of particles in a magnetic field with random inhomogeneities,” Sov. Phys. – JETP 24, 1771–1783 (1967).
2. L. I. Dorman, M. E. Kats, Yu. I. Fedorov, and B. A. Shakhov, “Energy balance of cosmic rays in multiple scattering in a randomly inhomogeneous magnetic field,” JETP Lett. 27, 374 (1978).
3. I. N. Toptygin, Cosmic Rays in Interplanetary Magnetic Fields (Nauka, Moscow, 1983) [in Russian].
4. B. A. Shakhov and Yu. L. Kolesnik, “Iteration method for solution of cosmic ray propagation theory boundary problems,” Kinematics Phys. Celestial Bodies 22, 101–108 (2006).
5. O. P. M. Aslam, D. Bisschoff, M. D. Ngobeni, M. S. Potgieter, et al., “Time and charge-sign dependence of the heliospheric modulation of cosmic rays,” Astrophys. J. 909, 215 (2021).