In Russian. Simonov, Igor Valentinovich. A converging shock wave in an ideal inelastic environment. Moscow: 1974. Skhodyashchayasya udarnaya volna v ideal'noy neuprugoy srede. In Russian /Convergent shock wave in ideal non-elastic environment. All images are for identification of editions only. Several books of the same edition may be available. Please feel free to request photos of available books. SKU7444200