1. V. S. Berezinskii, S. V. Bulanov, V. L. Ginzburg, et al., Astrophysics of Cosmic Rays (Nauka, Moscow, 1984) [in Russian].
2. J. C. Brandt, Introduction to the Solar Wind (Freeman, San Francisco, 1970; Mir, Moscow, 1973).
3. V. S. Ditkin and A. P. Prudnikov, Integral Transforms and Operational Calculus (Nauka, Moscow, 1974) [in Russian].
4. A. Z. Dolginov and I. N. Toptygin, “Multiple scattering of particles in a magnetic field with random inhomogeneities,” Zh. Eksp. Teor. Fiz. 51, 1771–1783 (1966).
5. A. Z. Dolginov and I. N. Toptygin, “On the diffusion of cosmic rays in interplanetary medium,” Geomagn. Aeron. 7, 967–973 (1967).