\Bibitem{Dre89} \by O.~B.~Drennov \paper Development of perturbations at an aluminum-copper contact boundary in a nonsteady regime of oblique collision \jour Prikl. Mekh. Tekh. Fiz. \yr 1989 \vol 30 \issue 3 \pages 41--44 \mathnet{http://mi.mathnet.ru/pmtf4609} \transl \jour J. Appl. Mech. Tech. Phys. \yr 1989 \vol 30 \issue 3 \pages 376--378 \crossref{https://doi.org/10.1007/BF00850754}