1. Gilbarg, D. and Shiffman, M., On bodies achieving extreme values of the critical Mach number. I, J.
Ration. Mech. Analysis, 1954, vol. 3, no. 2, pp. 209–230.
2. Kraiko, A.N., Planar and axially symmetric configurations circumvented with the maximum critical Mach number, J. Appl. Math. Mech., 1987, vol. 51, no. 6, pp. 723–770.
3. Fisher, D.D., Calculation of subsonic cavities with sonic free streamlines, J. Math. Phys., 1963, vol. 42, no. 1, pp. 14–26.
4. Brutyan, M.A. and Lyapunov, S.V., Optimization of the shapes of symmetric plane bodies for the purpose of increasing the critical Mach number, Uch. Zap.
TsAGI, 1981, vol. 12, no. 5, pp. 10–22.
5. Shcherbakov, S.A., Calculations of the nose or rear part of a plane body in a subsonic flow with the greatest possible critical Mach number, Uch. Zap.
TsAGI, 1988, vol. 19, no. 4, pp. 10–18.