Chernov Igor Alekseevich RussiaSaratov Saratov State University, Russia, Saratov, Astrakhanskaya 83 Associate ProfessorChernovIA@info.sgu.ru Author's articles Exact Solutions of the Transonic Equations of Gas Dynamics Homentropic Model of Spherical Shock Wave Reflection from the Center of Convergence Modification for the Chisnell’s Method of Approximate Analytic Solution of the Converging Shock Wave Problem