Matutin Aleksandr Aleksandrovich RussiaSaratov Saratov State University, Russia, Saratov, Astrakhanskaya 83 matutinaa@mail.ru Author's articles The Numerical Investigation of the Shock wave Nonlinear Refraction on the Surface which Separate Gaseous and Gas-liquid Mediums The Analysis of Conditions of a Refraction of a Shock Wave with Education of a Wave of Underpressure or the Reflected Shock Wave