On Oscillatory Instability in Convective Burning of Gas-Permeable Explosives I. Brailovsky, M. Frankel, L. Kagan and G. Sivashinsky Math. Model. Nat. Phenom., 6 1 (2011) 3-16 Published online: 09 June 2010 DOI: 10.1051/mmnp/20116101