THE SUPPOSED EXCITATION OF PLASMA OSCILLATIONS BY GASGYNAMIC SHOCK WAVES IN A PLASMA (A). THE ELECTRO-MAGNETIC IRRADIATION BY LONGITUDINAL PLASMA-OSCILLATIONS WITHIN A MEDIUM WHICH IS NEITHER AFFECTED BY AN EXTERNAL MAGNETIC FIELD NOR BY FLOWS OF THE PLASMA AS A WHOLE (B). THE DEVELOPMENT OF GAS KINETIC METHOD ADAPTED TO HEAVY DEVIATIONS FROM THERMODYNAMIC EQUILIBRIUM AND THEIR APPLICATION TO STRONG PLASMA SHOCK WAVES WITH EXCITATION OF ELECTRON PLASMA OSCILLATIONS (C)