Warning message Node revision 527 not found in node Determination of the Wall Temperature Change for a Cavity in a Solid as a Result of the Temperature Change of the Gas Flow in a Cavity. Perharps it was deleted. Farakhutdinov Renat Abuhanovich Russia Saratov State University, Russia, Saratov, Astrakhanskaya 83 renatfara@mail.ru Author's articles On Definability of Universal Graphic Automata by Their Input Symbol Semigroups