1. Crocco, L. “Eine neue Stromfunktion für die Erforschung der Bewegung der Gase mit Rotation”, ZAMM 17(1), 1–7 (1937).
2. Sizykh, G.B. “Entropy Value on the Surface of a Non-Symmetric Convex Bow Part of a Body in the Supersonic Flow”, Fluid Dyn. 54(7), 907–911 (2019).
3. Von Mises, R. Mathematical Theory of Compressible Fluid Flow. (Academic Press, New York, 1958).
4. Prim, R., Truesdell, C. “A Derivation of Zorawski’s Criterion for Permanent Vector-Lines”, Proc. Amer. Math. Soc. 1, 32–34 (1950).
5. Truesdell, C. The Kinematics of Vorticity. (Indiana Univ. Press, Bloomington, 1954).