1. A. Miele (ed.),Theory of Optimum Aerodynamic Shapes, Academic Press (1968).
2. A. I. Bunimovich, ?Relations between the forces acting on bodies moving in a rarefied gas, in a luminous flux and in a hypersonic Newtonian flow,?Izv. Akad. Nauk SSSR, Mekh. Zhidk. Gaza, No. 4, 89 (1973).
3. A. I. Bunimovich and G. E. Yakunina, ?Shape of three-dimensional bodies of minimum drag moving in plastically compressible and elastoplastic media,?Vestn. Mosk. Univ., Ser. 1, Mat. Mekh., No. 3, 105 (1987).
4. Kh. A. Rakhmatulin, A. Ya. Sagomonyan, and N. A. Alekseev,Problems of Soil Dynamics [in Russian], published by Moscow State University, Moscow (1964).
5. A. Ya. Sagomonyan, ?Penetration of a plate by a slender solid projectile,?Vestn. Mask. Univ., Ser. 1, Mat. Mekh., No. 5, 104 (1975).