1. A. G. Merzhanov, Comb. Flames,10, No. 64, 341 (1966).
2. A. P. Aldushin, Fiz. Goreniya Vzryva,20, No. 3, 10 (1984).
3. Ya. B. Zel–dovich, G. I. Barenblatt, V. B. Librovich, et al., Mathematical Theory of Combustion and Explosion [in Russian], Nauka, Moscow (1980).