\Bibitem{Mel96} \by S.~V.~Meleshko \paper Nonstationary nonisentropic spatial double wave flows \jour Prikl. Mekh. Tekh. Fiz. \yr 1996 \vol 37 \issue 2 \pages 50--61 \mathnet{http://mi.mathnet.ru/pmtf3503} \transl \jour J. Appl. Mech. Tech. Phys. \yr 1996 \vol 37 \issue 2 \pages 190--199 \crossref{https://doi.org/10.1007/BF02382424}