Propagation of cosmic rays in interstellar medium Boltzmann equation in diffusive medium Fokker-Planck equation Diffusive approximation Particle diffusion in random electromagnetic fields Resonant scattering of particles by MHD-waves Particle drain from the galaxy, galactic halo Cosmic rays acceleration processes Fermi acceleration Formal kinetic equation derivation for acceleration in diffusive medium Formation of power-law spectra Shockwave acceleration of particles Shockwave front structure subject to feedback from accelerated particles Shockwave structure influence on spectral characteristics of accelerated particles Number of accelerated particles; injection processes Injection energy Flux of accelerated particles; “runaway” particles Paradoxes of interpretation of x-ray spectra of subrelativistic electrons of cosmic rays Theory of cosmic rays origin Diffusive and convective models of propagation Theory of galactic wind Local and global characteristics of cosmic rays; paradoxes of interpretation Formation of chemical composition of cosmic rays in interstellar medium and its correct interpretation Theory of origin of gamma and radio radiation of the galaxy Peculiarities of kinetic equation for electronic component of cosmic rays   LITERATURE: V.L. Ginzburg, S.I. Syrovatsky. Origin of Cosmic Rays I.N. Toptygin. Cosmic Rays in Interstallar Magnetic Fields V.L. Berezinsky, S.V. Bulanov, V.L. Ginzburg, V.A. Dogiel, V.S. Ptuskin. Astrophysics of Cosmic Rays